internal/kobject: process uevent

This tracks kernel state by merging a stream of uevent. Inconsistencies are reported and recovered from gracefully.

Signed-off-by: Ophestra <cat@gensokyo.uk>

1 files changed, 1806 insertions, 0 deletions

diff --git a/internal/kobject/kobject_test.go b/internal/kobject/kobject_test.go
new file mode 100644
index 00000000..892ff241
--- /dev/null
+++ b/internal/kobject/kobject_test.go
@@ -0,0 +1,1806 @@
+package kobject_test
+
+import (
+	"bytes"
+	_ "embed"
+	"encoding/json"
+	"fmt"
+	"io"
+	"maps"
+	"reflect"
+	"slices"
+	"strings"
+	"testing"
+	"unsafe"
+
+	. "hakurei.app/internal/kobject"
+	"hakurei.app/internal/uevent"
+)
+
+func TestConsume(t *testing.T) {
+	t.Parallel()
+
+	coldboot := uevent.UUID(bytes.Repeat([]byte{0xfd}, len(uevent.UUID{})))
+	testCases := []struct {
+		name     string
+		messages []*uevent.Message
+		want     map[string]*Object
+		c        []map[string]string
+		errs     []error
+	}{
+		{"drop external synth", []*uevent.Message{
+			{DevPath: "\x00", Env: []string{
+				"SYNTH_UUID=fe4d7c9d-b8c6-4a70-9ef1-3d8a58d18eed",
+			}},
+		}, map[string]*Object{}, nil, nil},
+
+		{"unexpected coldboot", []*uevent.Message{
+			{Action: uevent.KOBJ_BIND, DevPath: "\x00", Env: []string{
+				"SYNTH_UUID=fdfdfdfd-fdfd-fdfd-fdfd-fdfdfdfdfdfd",
+			}},
+		}, map[string]*Object{}, nil, []error{
+			UnexpectedColdbootError{
+				Action:  uevent.KOBJ_BIND,
+				DevPath: "\x00",
+				Env:     map[string]string{},
+				Synth:   &coldboot,
+			},
+		}},
+
+		{"sequence", []*uevent.Message{
+			{Action: uevent.KOBJ_ADD, DevPath: "\x00"},
+			{Action: uevent.KOBJ_OFFLINE, DevPath: "\x00"},
+		}, map[string]*Object{
+			"\x00": {
+				State:   StateNew,
+				Offline: true,
+				DevPath: "\x00",
+			},
+		}, nil, []error{
+			BadSequenceError{Got: 0, Want: 1},
+		}},
+
+		{"action", []*uevent.Message{
+			{Action: 0xbeef, DevPath: "\x00"},
+		}, map[string]*Object{}, nil, []error{
+			fmt.Errorf("invalid action %d", 0xbeef),
+		}},
+
+		{"add", []*uevent.Message{
+			{Action: uevent.KOBJ_ADD, DevPath: "\x00", Env: []string{
+				"V=\xff",
+				"SEQNUM=1",
+			}},
+			{Action: uevent.KOBJ_ADD, DevPath: "\x00", Env: []string{
+				"V=\xfd",
+				"SEQNUM=2",
+			}},
+		}, map[string]*Object{
+			"\x00": {
+				State:   StateNew,
+				DevPath: "\x00",
+				Env:     map[string]string{"V": "\xfd"},
+			},
+		}, nil, []error{
+			DuplicateAddError{
+				Action:   uevent.KOBJ_ADD,
+				DevPath:  "\x00",
+				Env:      map[string]string{"V": "\xfd"},
+				Sequence: 2,
+			},
+		}},
+
+		{"remove", []*uevent.Message{
+			{Action: uevent.KOBJ_REMOVE, DevPath: "\x00", Env: []string{
+				"SEQNUM=0",
+			}},
+			{Action: uevent.KOBJ_ADD, DevPath: "\x00", Env: []string{
+				"SYNTH_UUID=" + coldboot.String(),
+				"SEQNUM=1",
+			}},
+			{Action: uevent.KOBJ_BIND, DevPath: "\x00", Env: []string{
+				"DRIVER=\xfd",
+				"SEQNUM=2",
+			}},
+			{Action: uevent.KOBJ_REMOVE, DevPath: "\x00", Env: []string{
+				"SEQNUM=3",
+			}},
+		}, map[string]*Object{}, nil, []error{
+			TargetError{
+				Action:  uevent.KOBJ_REMOVE,
+				DevPath: "\x00",
+				Env:     map[string]string{},
+			},
+			RemoveStateError{
+				State:   StateBound,
+				DevPath: "\x00",
+				Driver:  "\xfd",
+			},
+		}},
+
+		{"change", []*uevent.Message{
+			{Action: uevent.KOBJ_CHANGE, DevPath: "\x00", Env: []string{
+				"V=\xff",
+				"SEQNUM=9",
+			}},
+		}, map[string]*Object{
+			"\x00": {
+				State:   StateColdboot,
+				DevPath: "\x00",
+				Env:     map[string]string{"V": "\xff"},
+			},
+		}, nil, []error{
+			TargetError{
+				Action:   uevent.KOBJ_CHANGE,
+				DevPath:  "\x00",
+				Sequence: 9,
+				Env: map[string]string{
+					"V": "\xff",
+				},
+			},
+		}},
+
+		{"move", []*uevent.Message{
+			{Action: uevent.KOBJ_MOVE, DevPath: "\x0f", Env: []string{
+				"V=\xfc",
+				"SEQNUM=0",
+			}},
+			{Action: uevent.KOBJ_MOVE, DevPath: "\x0e", Env: []string{
+				"V=\xfd",
+				"DEVPATH_OLD=\xff",
+				"SEQNUM=1",
+			}},
+		}, map[string]*Object{
+			"\x0f": {DevPath: "\x0f", Env: map[string]string{"V": "\xfc"}},
+			"\x0e": {DevPath: "\x0e", Env: map[string]string{"V": "\xfd"}},
+		}, nil, []error{
+			MalformedMoveError{
+				Action:  uevent.KOBJ_MOVE,
+				DevPath: "\x0f",
+				Env: map[string]string{
+					"V": "\xfc",
+				},
+			},
+			TargetError{
+				Action:  uevent.KOBJ_MOVE,
+				DevPath: "\x0e",
+				Env: map[string]string{
+					"V":           "\xfd",
+					"DEVPATH_OLD": "\xff",
+				},
+				Sequence: 1,
+			},
+		}},
+
+		{"offline", []*uevent.Message{
+			{Action: uevent.KOBJ_ONLINE, DevPath: "\xfd", Env: []string{
+				"V=\xff",
+				"SEQNUM=9",
+			}},
+			{Action: uevent.KOBJ_OFFLINE, DevPath: "\xfd", Env: []string{
+				"_V=\xfc",
+				"SEQNUM=10",
+			}},
+			{Action: uevent.KOBJ_OFFLINE, DevPath: "\xfd", Env: []string{
+				"SEQNUM=11",
+			}},
+			{Action: uevent.KOBJ_OFFLINE, DevPath: "\xfc", Env: []string{
+				"V=\xf0",
+				"SEQNUM=12",
+			}},
+		}, map[string]*Object{
+			"\xfd": {
+				Offline: true,
+				DevPath: "\xfd",
+				Env:     map[string]string{"V": "\xff"},
+			},
+			"\xfc": {
+				Offline: true,
+				DevPath: "\xfc",
+				Env:     map[string]string{"V": "\xf0"},
+			},
+		}, nil, []error{
+			TargetError{
+				Action:  uevent.KOBJ_ONLINE,
+				DevPath: "\xfd",
+				Env: map[string]string{
+					"V": "\xff",
+				},
+				Sequence: 9,
+			},
+			UnexpectedOfflineError{
+				DevPath: "\xfd",
+				Env: map[string]string{
+					"V": "\xff",
+				},
+			},
+			UnexpectedOfflineError{
+				Offline: true,
+				DevPath: "\xfd",
+				Env:     map[string]string{"V": "\xff"},
+			},
+			TargetError{
+				Action:   uevent.KOBJ_OFFLINE,
+				DevPath:  "\xfc",
+				Env:      map[string]string{"V": "\xf0"},
+				Sequence: 12,
+			},
+		}},
+
+		{"bind", []*uevent.Message{
+			{Action: uevent.KOBJ_ADD, DevPath: "\x00", Env: []string{
+				"V=\xff",
+				"DRIVER=\x00",
+				"SEQNUM=1",
+			}},
+			{Action: uevent.KOBJ_UNBIND, DevPath: "\x00", Env: []string{
+				"_V=\xfd",
+				"SEQNUM=2",
+			}},
+			{Action: uevent.KOBJ_BIND, DevPath: "\x00", Env: []string{
+				"__V=\xfc",
+				"SEQNUM=3",
+			}},
+			{Action: uevent.KOBJ_BIND, DevPath: "\x00", Env: []string{
+				"___V=\xfb",
+				"SEQNUM=4",
+			}},
+			{Action: uevent.KOBJ_BIND, DevPath: "\x0c", Env: []string{
+				"V=\xf0",
+				"DRIVER=\x01",
+				"SEQNUM=5",
+			}},
+		}, map[string]*Object{
+			"\x00": {
+				State:   StateBound,
+				DevPath: "\x00",
+				Env: map[string]string{
+					"V": "\xff",
+					// unbind not merged
+					"__V":  "\xfc",
+					"___V": "\xfb",
+				},
+			},
+			"\f": {
+				State:   StateBound,
+				DevPath: "\f",
+				Driver:  "\x01",
+				Env: map[string]string{
+					"V": "\xf0",
+				},
+			}}, nil, []error{
+			UnbindStateError{
+				State:   StateNew,
+				DevPath: "\x00",
+				Env:     map[string]string{"V": "\xff"},
+			},
+			BindStateError{
+				State:   StateBound,
+				DevPath: "\x00",
+				Env:     map[string]string{"V": "\xff", "__V": "\xfc"},
+			},
+			TargetError{
+				Action:   uevent.KOBJ_BIND,
+				DevPath:  "\f",
+				Env:      map[string]string{"V": "\xf0", "DRIVER": "\x01"},
+				Sequence: 5,
+			},
+		}},
+
+		{"unbind", []*uevent.Message{
+			{Action: uevent.KOBJ_UNBIND, DevPath: "\xfd", Env: []string{
+				"SEQNUM=9",
+			}},
+		}, map[string]*Object{}, nil, []error{
+			TargetError{
+				Action:   uevent.KOBJ_UNBIND,
+				DevPath:  "\xfd",
+				Env:      map[string]string{},
+				Sequence: 9,
+			},
+		}},
+	}
+	for _, tc := range testCases {
+		t.Run(tc.name, func(t *testing.T) {
+			var (
+				c    []map[string]string
+				errs []error
+			)
+			s := New(coldboot, func(o *Object, env map[string]string) {
+				c = append(c, env)
+			}, func(err error) {
+				errs = append(errs, err)
+			})
+			ueventVal := reflect.ValueOf(s).Elem().FieldByName("uevent")
+			got := reflect.NewAt(ueventVal.Type(), unsafe.Pointer(ueventVal.UnsafeAddr())).
+				Elem().Interface().(map[string]*Object)
+
+			events := make(chan *uevent.Message, len(tc.messages))
+			for _, m := range tc.messages {
+				events <- m
+			}
+			close(events)
+			s.Consume(t.Context(), events)
+
+			if !reflect.DeepEqual(got, tc.want) {
+				t.Errorf("Consume: %#v, want %#v", got, tc.want)
+			}
+			if !slices.EqualFunc(c, tc.c, maps.Equal) {
+				t.Errorf("Consume: c = %#v, want %#v", c, tc.c)
+			}
+			if !reflect.DeepEqual(errs, tc.errs) {
+				t.Errorf("Consume: errs = %#v, want %#v", errs, tc.errs)
+			}
+		})
+	}
+}
+
+func TestErrors(t *testing.T) {
+	t.Parallel()
+
+	testCases := []struct {
+		name string
+		err  error
+		want string
+	}{
+		{"BadSequenceError", BadSequenceError{
+			Got:  0xcafe,
+			Want: 0xbabe,
+		}, "SEQNUM=51966, want 47806"},
+
+		{"UnexpectedColdbootError", UnexpectedColdbootError{
+			Action: 0xbeef,
+		}, "unexpected unsupported kobject_action 48879 coldboot event"},
+
+		{"DuplicateAddError", DuplicateAddError{
+			Action:  uevent.KOBJ_ADD,
+			DevPath: "\x00",
+		}, `duplicate add event on devpath "\x00"`},
+
+		{"TargetError", TargetError{
+			Action:  uevent.KOBJ_UNBIND,
+			DevPath: "\x00",
+		}, `unexpected unbind event on devpath "\x00"`},
+
+		{"RemoveStateError", RemoveStateError{
+			State:   StateBound,
+			DevPath: "\x00",
+		}, `remove event targeting devpath "\x00" in state 2`},
+
+		{"BindStateError", BindStateError{
+			State:   StateBound,
+			DevPath: "\x00",
+		}, `bind event targeting devpath "\x00" in state 2`},
+
+		{"UnbindStateError", UnbindStateError{
+			State:   StateNew,
+			DevPath: "\x00",
+		}, `unbind event targeting devpath "\x00" in state 1`},
+
+		{"MalformedMoveError", MalformedMoveError{
+			DevPath: "\x00",
+		}, `move event targeting devpath "\x00" missing DEVPATH_OLD`},
+
+		{"UnexpectedOfflineError", UnexpectedOfflineError{
+			DevPath: "\x00",
+		}, `online event targeting devpath "\x00"`},
+		{"UnexpectedOfflineError offline", UnexpectedOfflineError{
+			DevPath: "\x00",
+			Offline: true,
+		}, `offline event targeting devpath "\x00"`},
+	}
+	for _, tc := range testCases {
+		t.Run(tc.name, func(t *testing.T) {
+			t.Parallel()
+
+			if got := tc.err.Error(); got != tc.want {
+				t.Errorf("Error: %s, want %s", got, tc.want)
+			}
+		})
+	}
+}
+
+var (
+	//go:embed testdata/00-coldboot
+	testdata00 string
+	//go:embed testdata/01-move
+	testdata01 string
+	//go:embed testdata/02-cpu
+	testdata02 string
+	//go:embed testdata/03-loop
+	testdata03 string
+	//go:embed testdata/04-loop-detach
+	testdata04 string
+	//go:embed testdata/05-loop-remove
+	testdata05 string
+)
+
+func TestConsumeSample(t *testing.T) {
+	t.Parallel()
+
+	steps := []struct {
+		name string
+		data string
+		want func(want map[string]*Object)
+		c    []map[string]string
+	}{
+		{"coldboot", testdata00, func(want map[string]*Object) {
+			maps.Copy(want, map[string]*Object{
+				"/devices/LNXSYSTM:00": {
+					DevPath:   "/devices/LNXSYSTM:00",
+					ModAlias:  "acpi:LNXSYSTM:",
+					Subsystem: "acpi",
+				},
+				"/devices/LNXSYSTM:00/LNXPWRBN:00": {
+					DevPath:   "/devices/LNXSYSTM:00/LNXPWRBN:00",
+					ModAlias:  "acpi:LNXPWRBN:",
+					Subsystem: "acpi",
+				},
+				"/devices/LNXSYSTM:00/LNXPWRBN:00/wakeup/wakeup7": {
+					DevPath:   "/devices/LNXSYSTM:00/LNXPWRBN:00/wakeup/wakeup7",
+					Subsystem: "wakeup",
+				},
+				"/devices/LNXSYSTM:00/LNXSYBUS:00": {
+					DevPath:   "/devices/LNXSYSTM:00/LNXSYBUS:00",
+					ModAlias:  "acpi:LNXSYBUS:",
+					Subsystem: "acpi",
+				},
+				"/devices/LNXSYSTM:00/LNXSYBUS:00/ACPI0010:00": {
+					DevPath:   "/devices/LNXSYSTM:00/LNXSYBUS:00/ACPI0010:00",
+					ModAlias:  "acpi:ACPI0010:PNP0A05:",
+					Subsystem: "acpi",
+				},
+				"/devices/LNXSYSTM:00/LNXSYBUS:00/ACPI0010:00/LNXCPU:00": {
+					DevPath:   "/devices/LNXSYSTM:00/LNXSYBUS:00/ACPI0010:00/LNXCPU:00",
+					ModAlias:  "acpi:LNXCPU:",
+					Subsystem: "acpi",
+				},
+				"/devices/LNXSYSTM:00/LNXSYBUS:00/PNP0103:00": {
+					DevPath:   "/devices/LNXSYSTM:00/LNXSYBUS:00/PNP0103:00",
+					ModAlias:  "acpi:PNP0103:",
+					Subsystem: "acpi",
+				},
+				"/devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A03:00": {
+					DevPath:   "/devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A03:00",
+					ModAlias:  "acpi:PNP0A03:",
+					Subsystem: "acpi",
+				},
+				"/devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A03:00/PNP0A06:00": {
+					DevPath:   "/devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A03:00/PNP0A06:00",
+					ModAlias:  "acpi:PNP0A06:",
+					Subsystem: "acpi",
+				},
+				"/devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A03:00/PNP0A06:01": {
+					DevPath:   "/devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A03:00/PNP0A06:01",
+					ModAlias:  "acpi:PNP0A06:",
+					Subsystem: "acpi",
+				},
+				"/devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A03:00/PNP0A06:02": {
+					DevPath:   "/devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A03:00/PNP0A06:02",
+					ModAlias:  "acpi:PNP0A06:",
+					Subsystem: "acpi",
+				},
+				"/devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A03:00/QEMU0002:00": {
+					DevPath:   "/devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A03:00/QEMU0002:00",
+					ModAlias:  "acpi:QEMU0002:",
+					Subsystem: "acpi",
+				},
+				"/devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A03:00/device:00": {
+					DevPath:   "/devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A03:00/device:00",
+					Subsystem: "acpi",
+				},
+				"/devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A03:00/device:00/wakeup/wakeup0": {
+					DevPath:   "/devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A03:00/device:00/wakeup/wakeup0",
+					Subsystem: "wakeup",
+				},
+				"/devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A03:00/device:01": {
+					DevPath:   "/devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A03:00/device:01",
+					Subsystem: "acpi",
+				},
+				"/devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A03:00/device:01/PNP0303:00": {
+					DevPath:   "/devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A03:00/device:01/PNP0303:00",
+					ModAlias:  "acpi:PNP0303:",
+					Subsystem: "acpi",
+				},
+				"/devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A03:00/device:01/PNP0400:00": {
+					DevPath:   "/devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A03:00/device:01/PNP0400:00",
+					ModAlias:  "acpi:PNP0400:",
+					Subsystem: "acpi",
+				},
+				"/devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A03:00/device:01/PNP0501:00": {
+					DevPath:   "/devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A03:00/device:01/PNP0501:00",
+					ModAlias:  "acpi:PNP0501:",
+					Subsystem: "acpi",
+				},
+				"/devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A03:00/device:01/PNP0700:00": {
+					DevPath:   "/devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A03:00/device:01/PNP0700:00",
+					ModAlias:  "acpi:PNP0700:",
+					Subsystem: "acpi",
+				},
+				"/devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A03:00/device:01/PNP0700:00/device:02": {
+					DevPath:   "/devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A03:00/device:01/PNP0700:00/device:02",
+					Subsystem: "acpi",
+				},
+				"/devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A03:00/device:01/PNP0B00:00": {
+					DevPath:   "/devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A03:00/device:01/PNP0B00:00",
+					ModAlias:  "acpi:PNP0B00:",
+					Subsystem: "acpi",
+				},
+				"/devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A03:00/device:01/PNP0F13:00": {
+					DevPath:   "/devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A03:00/device:01/PNP0F13:00",
+					ModAlias:  "acpi:PNP0F13:",
+					Subsystem: "acpi",
+				},
+				"/devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A03:00/device:01/wakeup/wakeup1": {
+					DevPath:   "/devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A03:00/device:01/wakeup/wakeup1",
+					Subsystem: "wakeup",
+				},
+				"/devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A03:00/device:03": {
+					DevPath:   "/devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A03:00/device:03",
+					Subsystem: "acpi",
+				},
+				"/devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A03:00/device:03/wakeup/wakeup2": {
+					DevPath:   "/devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A03:00/device:03/wakeup/wakeup2",
+					Subsystem: "wakeup",
+				},
+				"/devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A03:00/device:04": {
+					DevPath:   "/devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A03:00/device:04",
+					Subsystem: "acpi",
+				},
+				"/devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A03:00/device:04/wakeup/wakeup3": {
+					DevPath:   "/devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A03:00/device:04/wakeup/wakeup3",
+					Subsystem: "wakeup",
+				},
+				"/devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A03:00/device:05": {
+					DevPath:   "/devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A03:00/device:05",
+					Subsystem: "acpi",
+				},
+				"/devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A03:00/device:05/wakeup/wakeup4": {
+					DevPath:   "/devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A03:00/device:05/wakeup/wakeup4",
+					Subsystem: "wakeup",
+				},
+				"/devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A03:00/device:06": {
+					DevPath:   "/devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A03:00/device:06",
+					Subsystem: "acpi",
+				},
+				"/devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A03:00/device:06/wakeup/wakeup5": {
+					DevPath:   "/devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A03:00/device:06/wakeup/wakeup5",
+					Subsystem: "wakeup",
+				},
+				"/devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A03:00/device:07": {
+					DevPath:   "/devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A03:00/device:07",
+					Subsystem: "acpi",
+				},
+				"/devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A03:00/device:07/wakeup/wakeup8": {
+					State:     StateNew,
+					DevPath:   "/devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A03:00/device:07/wakeup/wakeup8",
+					Subsystem: "wakeup"},
+				"/devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A03:00/device:08": {
+					DevPath:   "/devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A03:00/device:08",
+					Subsystem: "acpi",
+				},
+				"/devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A03:00/device:09": {
+					DevPath:   "/devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A03:00/device:09",
+					Subsystem: "acpi",
+				},
+				"/devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A03:00/device:0a": {
+					DevPath:   "/devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A03:00/device:0a",
+					Subsystem: "acpi",
+				},
+				"/devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A03:00/device:0b": {
+					DevPath:   "/devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A03:00/device:0b",
+					Subsystem: "acpi",
+				},
+				"/devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A03:00/device:0c": {
+					DevPath:   "/devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A03:00/device:0c",
+					Subsystem: "acpi",
+				},
+				"/devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A03:00/device:0d": {
+					DevPath:   "/devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A03:00/device:0d",
+					Subsystem: "acpi",
+				},
+				"/devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A03:00/device:0e": {
+					DevPath:   "/devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A03:00/device:0e",
+					Subsystem: "acpi",
+				},
+				"/devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A03:00/device:0f": {
+					DevPath:   "/devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A03:00/device:0f",
+					Subsystem: "acpi",
+				},
+				"/devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A03:00/device:10": {
+					DevPath:   "/devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A03:00/device:10",
+					Subsystem: "acpi",
+				},
+				"/devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A03:00/device:11": {
+					DevPath:   "/devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A03:00/device:11",
+					Subsystem: "acpi",
+				},
+				"/devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A03:00/device:12": {
+					DevPath:   "/devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A03:00/device:12",
+					Subsystem: "acpi",
+				},
+				"/devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A03:00/device:13": {
+					DevPath:   "/devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A03:00/device:13",
+					Subsystem: "acpi",
+				},
+				"/devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A03:00/device:14": {
+					DevPath:   "/devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A03:00/device:14",
+					Subsystem: "acpi",
+				},
+				"/devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A03:00/device:15": {
+					DevPath:   "/devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A03:00/device:15",
+					Subsystem: "acpi",
+				},
+				"/devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A03:00/device:16": {
+					DevPath:   "/devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A03:00/device:16",
+					Subsystem: "acpi",
+				},
+				"/devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A03:00/device:17": {
+					DevPath:   "/devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A03:00/device:17",
+					Subsystem: "acpi",
+				},
+				"/devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A03:00/device:18": {
+					DevPath:   "/devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A03:00/device:18",
+					Subsystem: "acpi",
+				},
+				"/devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A03:00/device:19": {
+					DevPath:   "/devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A03:00/device:19",
+					Subsystem: "acpi",
+				},
+				"/devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A03:00/device:1a": {
+					DevPath:   "/devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A03:00/device:1a",
+					Subsystem: "acpi",
+				},
+				"/devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A03:00/device:1b": {
+					DevPath:   "/devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A03:00/device:1b",
+					Subsystem: "acpi",
+				},
+				"/devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A03:00/device:1c": {
+					DevPath:   "/devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A03:00/device:1c",
+					Subsystem: "acpi",
+				},
+				"/devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A03:00/device:1d": {
+					DevPath:   "/devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A03:00/device:1d",
+					Subsystem: "acpi",
+				},
+				"/devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A03:00/device:1e": {
+					DevPath:   "/devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A03:00/device:1e",
+					Subsystem: "acpi",
+				},
+				"/devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A03:00/device:1f": {
+					DevPath:   "/devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A03:00/device:1f",
+					Subsystem: "acpi",
+				},
+				"/devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A03:00/device:20": {
+					DevPath:   "/devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A03:00/device:20",
+					Subsystem: "acpi",
+				},
+				"/devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A03:00/device:21": {
+					DevPath:   "/devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A03:00/device:21",
+					Subsystem: "acpi",
+				},
+				"/devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A03:00/device:22": {
+					DevPath:   "/devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A03:00/device:22",
+					Subsystem: "acpi",
+				},
+				"/devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A03:00/wakeup/wakeup6": {
+					DevPath:   "/devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A03:00/wakeup/wakeup6",
+					Subsystem: "wakeup",
+				},
+				"/devices/LNXSYSTM:00/LNXSYBUS:00/PNP0C0F:00": {
+					DevPath:   "/devices/LNXSYSTM:00/LNXSYBUS:00/PNP0C0F:00",
+					ModAlias:  "acpi:PNP0C0F:",
+					Subsystem: "acpi",
+				},
+				"/devices/LNXSYSTM:00/LNXSYBUS:00/PNP0C0F:01": {
+					DevPath:   "/devices/LNXSYSTM:00/LNXSYBUS:00/PNP0C0F:01",
+					ModAlias:  "acpi:PNP0C0F:",
+					Subsystem: "acpi",
+				},
+				"/devices/LNXSYSTM:00/LNXSYBUS:00/PNP0C0F:02": {
+					DevPath:   "/devices/LNXSYSTM:00/LNXSYBUS:00/PNP0C0F:02",
+					ModAlias:  "acpi:PNP0C0F:",
+					Subsystem: "acpi",
+				},
+				"/devices/LNXSYSTM:00/LNXSYBUS:00/PNP0C0F:03": {
+					DevPath:   "/devices/LNXSYSTM:00/LNXSYBUS:00/PNP0C0F:03",
+					ModAlias:  "acpi:PNP0C0F:",
+					Subsystem: "acpi",
+				},
+				"/devices/LNXSYSTM:00/LNXSYBUS:00/PNP0C0F:04": {
+					DevPath:   "/devices/LNXSYSTM:00/LNXSYBUS:00/PNP0C0F:04",
+					ModAlias:  "acpi:PNP0C0F:",
+					Subsystem: "acpi",
+				},
+				"/devices/LNXSYSTM:00/LNXSYBUS:01": {
+					DevPath:   "/devices/LNXSYSTM:00/LNXSYBUS:01",
+					ModAlias:  "acpi:LNXSYBUS:",
+					Subsystem: "acpi",
+				},
+				"/devices/breakpoint": {
+					DevPath:   "/devices/breakpoint",
+					Subsystem: "event_source",
+				},
+				"/devices/cpu": {
+					DevPath:   "/devices/cpu",
+					Subsystem: "event_source",
+				},
+				"/devices/kprobe": {
+					DevPath:   "/devices/kprobe",
+					Subsystem: "event_source",
+				},
+				"/devices/msr": {
+					DevPath:   "/devices/msr",
+					Subsystem: "event_source",
+				},
+				"/devices/pci0000:00/0000:00:00.0": {
+					DevPath:   "/devices/pci0000:00/0000:00:00.0",
+					ModAlias:  "pci:v00008086d00001237sv00001AF4sd00001100bc06sc00i00",
+					Subsystem: "pci",
+					Env:       map[string]string{"PCI_CLASS": "60000", "PCI_ID": "8086:1237", "PCI_SLOT_NAME": "0000:00:00.0", "PCI_SUBSYS_ID": "1AF4:1100"},
+				},
+				"/devices/pci0000:00/0000:00:01.0": {
+					DevPath:   "/devices/pci0000:00/0000:00:01.0",
+					ModAlias:  "pci:v00008086d00007000sv00001AF4sd00001100bc06sc01i00",
+					Subsystem: "pci",
+					Env:       map[string]string{"PCI_CLASS": "60100", "PCI_ID": "8086:7000", "PCI_SLOT_NAME": "0000:00:01.0", "PCI_SUBSYS_ID": "1AF4:1100"},
+				},
+				"/devices/pci0000:00/0000:00:01.1": {
+					DevPath:   "/devices/pci0000:00/0000:00:01.1",
+					ModAlias:  "pci:v00008086d00007010sv00001AF4sd00001100bc01sc01i80",
+					Driver:    "ata_piix",
+					Subsystem: "pci",
+					Env:       map[string]string{"PCI_CLASS": "10180", "PCI_ID": "8086:7010", "PCI_SLOT_NAME": "0000:00:01.1", "PCI_SUBSYS_ID": "1AF4:1100"},
+				},
+				"/devices/pci0000:00/0000:00:01.1/ata1/ata_port/ata1": {
+					DevPath:   "/devices/pci0000:00/0000:00:01.1/ata1/ata_port/ata1",
+					Subsystem: "ata_port",
+				},
+				"/devices/pci0000:00/0000:00:01.1/ata1/host0": {
+					DevPath:   "/devices/pci0000:00/0000:00:01.1/ata1/host0",
+					Subsystem: "scsi",
+					Env:       map[string]string{"DEVTYPE": "scsi_host"},
+				},
+				"/devices/pci0000:00/0000:00:01.1/ata1/host0/scsi_host/host0": {
+					DevPath:   "/devices/pci0000:00/0000:00:01.1/ata1/host0/scsi_host/host0",
+					Subsystem: "scsi_host",
+				},
+				"/devices/pci0000:00/0000:00:01.1/ata1/link1/ata_link/link1": {
+					DevPath:   "/devices/pci0000:00/0000:00:01.1/ata1/link1/ata_link/link1",
+					Subsystem: "ata_link",
+				},
+				"/devices/pci0000:00/0000:00:01.1/ata1/link1/dev1.0/ata_device/dev1.0": {
+					DevPath:   "/devices/pci0000:00/0000:00:01.1/ata1/link1/dev1.0/ata_device/dev1.0",
+					Subsystem: "ata_device",
+				},
+				"/devices/pci0000:00/0000:00:01.1/ata1/link1/dev1.1/ata_device/dev1.1": {
+					DevPath:   "/devices/pci0000:00/0000:00:01.1/ata1/link1/dev1.1/ata_device/dev1.1",
+					Subsystem: "ata_device",
+				},
+				"/devices/pci0000:00/0000:00:01.1/ata2/ata_port/ata2": {
+					DevPath:   "/devices/pci0000:00/0000:00:01.1/ata2/ata_port/ata2",
+					Subsystem: "ata_port",
+				},
+				"/devices/pci0000:00/0000:00:01.1/ata2/host1": {
+					DevPath:   "/devices/pci0000:00/0000:00:01.1/ata2/host1",
+					Subsystem: "scsi",
+					Env:       map[string]string{"DEVTYPE": "scsi_host"},
+				},
+				"/devices/pci0000:00/0000:00:01.1/ata2/host1/scsi_host/host1": {
+					DevPath:   "/devices/pci0000:00/0000:00:01.1/ata2/host1/scsi_host/host1",
+					Subsystem: "scsi_host",
+				},
+				"/devices/pci0000:00/0000:00:01.1/ata2/host1/target1:0:0": {
+					DevPath:   "/devices/pci0000:00/0000:00:01.1/ata2/host1/target1:0:0",
+					Subsystem: "scsi",
+					Env:       map[string]string{"DEVTYPE": "scsi_target"},
+				},
+				"/devices/pci0000:00/0000:00:01.1/ata2/host1/target1:0:0/1:0:0:0": {
+					DevPath:   "/devices/pci0000:00/0000:00:01.1/ata2/host1/target1:0:0/1:0:0:0",
+					ModAlias:  "scsi:t-0x05",
+					Subsystem: "scsi",
+					Env:       map[string]string{"DEVTYPE": "scsi_device"},
+				},
+				"/devices/pci0000:00/0000:00:01.1/ata2/host1/target1:0:0/1:0:0:0/bsg/1:0:0:0": {
+					DevPath:   "/devices/pci0000:00/0000:00:01.1/ata2/host1/target1:0:0/1:0:0:0/bsg/1:0:0:0",
+					Subsystem: "bsg",
+					Env:       map[string]string{"DEVNAME": "bsg/1:0:0:0", "MAJOR": "251", "MINOR": "0"},
+				},
+				"/devices/pci0000:00/0000:00:01.1/ata2/host1/target1:0:0/1:0:0:0/scsi_device/1:0:0:0": {
+					DevPath:   "/devices/pci0000:00/0000:00:01.1/ata2/host1/target1:0:0/1:0:0:0/scsi_device/1:0:0:0",
+					Subsystem: "scsi_device",
+				},
+				"/devices/pci0000:00/0000:00:01.1/ata2/link2/ata_link/link2": {
+					DevPath:   "/devices/pci0000:00/0000:00:01.1/ata2/link2/ata_link/link2",
+					Subsystem: "ata_link",
+				},
+				"/devices/pci0000:00/0000:00:01.1/ata2/link2/dev2.0/ata_device/dev2.0": {
+					DevPath:   "/devices/pci0000:00/0000:00:01.1/ata2/link2/dev2.0/ata_device/dev2.0",
+					Subsystem: "ata_device",
+				},
+				"/devices/pci0000:00/0000:00:01.1/ata2/link2/dev2.1/ata_device/dev2.1": {
+					DevPath:   "/devices/pci0000:00/0000:00:01.1/ata2/link2/dev2.1/ata_device/dev2.1",
+					Subsystem: "ata_device",
+				},
+				"/devices/pci0000:00/0000:00:01.3": {
+					DevPath:   "/devices/pci0000:00/0000:00:01.3",
+					ModAlias:  "pci:v00008086d00007113sv00001AF4sd00001100bc06sc80i00",
+					Subsystem: "pci",
+					Env:       map[string]string{"PCI_CLASS": "68000", "PCI_ID": "8086:7113", "PCI_SLOT_NAME": "0000:00:01.3", "PCI_SUBSYS_ID": "1AF4:1100"},
+				},
+				"/devices/pci0000:00/0000:00:02.0": {
+					DevPath:   "/devices/pci0000:00/0000:00:02.0",
+					ModAlias:  "pci:v00008086d0000100Esv00001AF4sd00001100bc02sc00i00",
+					Subsystem: "pci",
+					Env:       map[string]string{"PCI_CLASS": "20000", "PCI_ID": "8086:100E", "PCI_SLOT_NAME": "0000:00:02.0", "PCI_SUBSYS_ID": "1AF4:1100"},
+				},
+				"/devices/pci0000:00/0000:00:03.0": {
+					DevPath:   "/devices/pci0000:00/0000:00:03.0",
+					ModAlias:  "pci:v00001AF4d00001001sv00001AF4sd00000002bc01sc00i00",
+					Driver:    "virtio-pci",
+					Subsystem: "pci",
+					Env:       map[string]string{"PCI_CLASS": "10000", "PCI_ID": "1AF4:1001", "PCI_SLOT_NAME": "0000:00:03.0", "PCI_SUBSYS_ID": "1AF4:0002"},
+				},
+				"/devices/pci0000:00/0000:00:03.0/virtio0": {
+					DevPath:   "/devices/pci0000:00/0000:00:03.0/virtio0",
+					ModAlias:  "virtio:d00000002v00001AF4",
+					Driver:    "virtio_blk",
+					Subsystem: "virtio",
+				},
+				"/devices/pci0000:00/0000:00:03.0/virtio0/block/vda": {
+					DevPath:   "/devices/pci0000:00/0000:00:03.0/virtio0/block/vda",
+					Subsystem: "block",
+					Env:       map[string]string{"DEVNAME": "vda", "DEVTYPE": "disk", "DISKSEQ": "1", "MAJOR": "254", "MINOR": "0"},
+				},
+				"/devices/pci0000:00/0000:00:04.0": {
+					State:     2,
+					DevPath:   "/devices/pci0000:00/0000:00:04.0",
+					ModAlias:  "pci:v00001AF4d00001059sv00001AF4sd00001100bc04sc01i00",
+					Driver:    "virtio-pci",
+					Subsystem: "pci",
+					Env:       map[string]string{"PCI_CLASS": "40100", "PCI_ID": "1AF4:1059", "PCI_SLOT_NAME": "0000:00:04.0", "PCI_SUBSYS_ID": "1AF4:1100"}},
+				"/devices/pci0000:00/0000:00:04.0/virtio1": {
+					State:     StateNew,
+					DevPath:   "/devices/pci0000:00/0000:00:04.0/virtio1",
+					ModAlias:  "virtio:d00000019v00001AF4",
+					Subsystem: "virtio"},
+				"/devices/pci0000:00/QEMU0002:00": {
+					DevPath:   "/devices/pci0000:00/QEMU0002:00",
+					ModAlias:  "acpi:QEMU0002:",
+					Subsystem: "platform",
+				},
+				"/devices/pci0000:00/pci_bus/0000:00": {
+					DevPath:   "/devices/pci0000:00/pci_bus/0000:00",
+					Subsystem: "pci_bus",
+				},
+				"/devices/platform/PNP0103:00": {
+					DevPath:   "/devices/platform/PNP0103:00",
+					ModAlias:  "acpi:PNP0103:",
+					Subsystem: "platform",
+				},
+				"/devices/platform/pcspkr": {
+					DevPath:   "/devices/platform/pcspkr",
+					ModAlias:  "platform:pcspkr",
+					Subsystem: "platform",
+				},
+				"/devices/platform/reg-dummy": {
+					DevPath:   "/devices/platform/reg-dummy",
+					ModAlias:  "platform:reg-dummy",
+					Driver:    "reg-dummy",
+					Subsystem: "platform",
+				},
+				"/devices/platform/reg-dummy/regulator/regulator.0": {
+					DevPath:   "/devices/platform/reg-dummy/regulator/regulator.0",
+					Subsystem: "regulator",
+				},
+				"/devices/platform/serial8250": {
+					DevPath:   "/devices/platform/serial8250",
+					ModAlias:  "platform:serial8250",
+					Driver:    "serial8250",
+					Subsystem: "platform",
+				},
+				"/devices/platform/serial8250/serial8250:0": {
+					DevPath:   "/devices/platform/serial8250/serial8250:0",
+					Driver:    "ctrl",
+					Subsystem: "serial-base",
+					Env:       map[string]string{"DEVTYPE": "ctrl"},
+				},
+				"/devices/platform/serial8250/serial8250:0/serial8250:0.1": {
+					DevPath:   "/devices/platform/serial8250/serial8250:0/serial8250:0.1",
+					Driver:    "port",
+					Subsystem: "serial-base",
+					Env:       map[string]string{"DEVTYPE": "port"},
+				},
+				"/devices/platform/serial8250/serial8250:0/serial8250:0.1/tty/ttyS1": {
+					DevPath:   "/devices/platform/serial8250/serial8250:0/serial8250:0.1/tty/ttyS1",
+					Subsystem: "tty",
+					Env:       map[string]string{"DEVNAME": "ttyS1", "MAJOR": "4", "MINOR": "65"},
+				},
+				"/devices/platform/serial8250/serial8250:0/serial8250:0.2": {
+					DevPath:   "/devices/platform/serial8250/serial8250:0/serial8250:0.2",
+					Driver:    "port",
+					Subsystem: "serial-base",
+					Env:       map[string]string{"DEVTYPE": "port"},
+				},
+				"/devices/platform/serial8250/serial8250:0/serial8250:0.2/tty/ttyS2": {
+					DevPath:   "/devices/platform/serial8250/serial8250:0/serial8250:0.2/tty/ttyS2",
+					Subsystem: "tty",
+					Env:       map[string]string{"DEVNAME": "ttyS2", "MAJOR": "4", "MINOR": "66"},
+				},
+				"/devices/platform/serial8250/serial8250:0/serial8250:0.3": {
+					DevPath:   "/devices/platform/serial8250/serial8250:0/serial8250:0.3",
+					Driver:    "port",
+					Subsystem: "serial-base",
+					Env:       map[string]string{"DEVTYPE": "port"},
+				},
+				"/devices/platform/serial8250/serial8250:0/serial8250:0.3/tty/ttyS3": {
+					DevPath:   "/devices/platform/serial8250/serial8250:0/serial8250:0.3/tty/ttyS3",
+					Subsystem: "tty",
+					Env:       map[string]string{"DEVNAME": "ttyS3", "MAJOR": "4", "MINOR": "67"},
+				},
+				"/devices/pnp0/00:00": {
+					DevPath:   "/devices/pnp0/00:00",
+					Subsystem: "pnp",
+				},
+				"/devices/pnp0/00:01": {
+					DevPath:   "/devices/pnp0/00:01",
+					Subsystem: "pnp",
+				},
+				"/devices/pnp0/00:02": {
+					DevPath:   "/devices/pnp0/00:02",
+					Subsystem: "pnp",
+				},
+				"/devices/pnp0/00:03": {
+					DevPath:   "/devices/pnp0/00:03",
+					Subsystem: "pnp",
+				},
+				"/devices/pnp0/00:04": {
+					DevPath:   "/devices/pnp0/00:04",
+					Driver:    "serial",
+					Subsystem: "pnp",
+				},
+				"/devices/pnp0/00:04/00:04:0": {
+					DevPath:   "/devices/pnp0/00:04/00:04:0",
+					Driver:    "ctrl",
+					Subsystem: "serial-base",
+					Env:       map[string]string{"DEVTYPE": "ctrl"},
+				},
+				"/devices/pnp0/00:04/00:04:0/00:04:0.0": {
+					DevPath:   "/devices/pnp0/00:04/00:04:0/00:04:0.0",
+					Driver:    "port",
+					Subsystem: "serial-base",
+					Env:       map[string]string{"DEVTYPE": "port"},
+				},
+				"/devices/pnp0/00:04/00:04:0/00:04:0.0/tty/ttyS0": {
+					DevPath:   "/devices/pnp0/00:04/00:04:0/00:04:0.0/tty/ttyS0",
+					Subsystem: "tty",
+					Env:       map[string]string{"DEVNAME": "ttyS0", "MAJOR": "4", "MINOR": "64"},
+				},
+				"/devices/pnp0/00:05": {
+					DevPath:   "/devices/pnp0/00:05",
+					Subsystem: "pnp",
+				},
+				"/devices/software": {
+					DevPath:   "/devices/software",
+					Subsystem: "event_source",
+				},
+				"/devices/system/clockevents/broadcast": {
+					DevPath:   "/devices/system/clockevents/broadcast",
+					Subsystem: "clockevents",
+				},
+				"/devices/system/clockevents/clockevent0": {
+					DevPath:   "/devices/system/clockevents/clockevent0",
+					Subsystem: "clockevents",
+				},
+				"/devices/system/clocksource/clocksource0": {
+					DevPath:   "/devices/system/clocksource/clocksource0",
+					Subsystem: "clocksource",
+				},
+				"/devices/system/container/PNP0A06:00": {
+					DevPath:   "/devices/system/container/PNP0A06:00",
+					Subsystem: "container",
+				},
+				"/devices/system/container/PNP0A06:01": {
+					DevPath:   "/devices/system/container/PNP0A06:01",
+					Subsystem: "container",
+				},
+				"/devices/system/container/PNP0A06:02": {
+					DevPath:   "/devices/system/container/PNP0A06:02",
+					Subsystem: "container",
+				},
+				"/devices/system/cpu/cpu0": {
+					DevPath:   "/devices/system/cpu/cpu0",
+					ModAlias:  "cpu:type:x86,ven0002fam000Fmod006B:feature:,0000,0002,0003,0004,0005,0006,0007,0008,0009,000B,000C,000D,000E,000F,0010,0011,0013,0017,0018,0019,001A,0020,0022,0023,0024,0025,0026,0027,0028,0029,002B,002C,002D,002E,002F,0030,0031,0034,0037,0038,003D,0064,006E,0070,0074,0075,0076,0079,007A,007F,0080,008D,0095,009F,00C0,00C8,00ED,00F3,010F,0115,0165,016C,0282\n",
+					Driver:    "processor",
+					Subsystem: "cpu",
+				},
+				"/devices/system/machinecheck/machinecheck0": {
+					DevPath:   "/devices/system/machinecheck/machinecheck0",
+					Subsystem: "machinecheck",
+				},
+				"/devices/system/memory/memory0": {
+					DevPath:   "/devices/system/memory/memory0",
+					Subsystem: "memory",
+				},
+				"/devices/system/memory/memory1": {
+					DevPath:   "/devices/system/memory/memory1",
+					Subsystem: "memory",
+				},
+				"/devices/system/memory/memory2": {
+					DevPath:   "/devices/system/memory/memory2",
+					Subsystem: "memory",
+				},
+				"/devices/system/memory/memory3": {
+					DevPath:   "/devices/system/memory/memory3",
+					Subsystem: "memory",
+				},
+				"/devices/system/memory/memory4": {
+					DevPath:   "/devices/system/memory/memory4",
+					Subsystem: "memory",
+				},
+				"/devices/system/memory/memory5": {
+					DevPath:   "/devices/system/memory/memory5",
+					Subsystem: "memory",
+				},
+				"/devices/system/memory/memory6": {
+					DevPath:   "/devices/system/memory/memory6",
+					Subsystem: "memory",
+				},
+				"/devices/system/memory/memory7": {
+					DevPath:   "/devices/system/memory/memory7",
+					Subsystem: "memory",
+				},
+				"/devices/system/node/node0": {
+					DevPath:   "/devices/system/node/node0",
+					Subsystem: "node",
+				},
+				"/devices/tracepoint": {
+					DevPath:   "/devices/tracepoint",
+					Subsystem: "event_source",
+				},
+				"/devices/uprobe": {
+					DevPath:   "/devices/uprobe",
+					Subsystem: "event_source",
+				},
+				"/devices/virtual/bdi/254:0": {
+					DevPath:   "/devices/virtual/bdi/254:0",
+					Subsystem: "bdi",
+				},
+				"/devices/virtual/devlink/:ata2--scsi:1:0:0:0": {
+					DevPath:   "/devices/virtual/devlink/:ata2--scsi:1:0:0:0",
+					Subsystem: "devlink",
+				},
+				"/devices/virtual/dmi/id": {
+					DevPath:   "/devices/virtual/dmi/id",
+					ModAlias:  "dmi:bvnSeaBIOS:bvrrel-1.17.0-0-gb52ca86e094d-prebuilt.qemu.org:bd04/01/2014:br0.0:svnQEMU:pnStandardPC(i440FX+PIIX,1996):pvrpc-i440fx-10.1:cvnQEMU:ct1:cvrpc-i440fx-10.1:sku:",
+					Subsystem: "dmi",
+				},
+				"/devices/virtual/mem/full": {
+					DevPath:   "/devices/virtual/mem/full",
+					Subsystem: "mem",
+					Env:       map[string]string{"DEVMODE": "0666", "DEVNAME": "full", "MAJOR": "1", "MINOR": "7"},
+				},
+				"/devices/virtual/mem/kmsg": {
+					DevPath:   "/devices/virtual/mem/kmsg",
+					Subsystem: "mem",
+					Env:       map[string]string{"DEVMODE": "0644", "DEVNAME": "kmsg", "MAJOR": "1", "MINOR": "11"},
+				},
+				"/devices/virtual/mem/mem": {
+					DevPath:   "/devices/virtual/mem/mem",
+					Subsystem: "mem",
+					Env:       map[string]string{"DEVNAME": "mem", "MAJOR": "1", "MINOR": "1"},
+				},
+				"/devices/virtual/mem/null": {
+					DevPath:   "/devices/virtual/mem/null",
+					Subsystem: "mem",
+					Env:       map[string]string{"DEVMODE": "0666", "DEVNAME": "null", "MAJOR": "1", "MINOR": "3"},
+				},
+				"/devices/virtual/mem/port": {
+					DevPath:   "/devices/virtual/mem/port",
+					Subsystem: "mem",
+					Env:       map[string]string{"DEVNAME": "port", "MAJOR": "1", "MINOR": "4"},
+				},
+				"/devices/virtual/mem/random": {
+					DevPath:   "/devices/virtual/mem/random",
+					Subsystem: "mem",
+					Env:       map[string]string{"DEVMODE": "0666", "DEVNAME": "random", "MAJOR": "1", "MINOR": "8"},
+				},
+				"/devices/virtual/mem/urandom": {
+					DevPath:   "/devices/virtual/mem/urandom",
+					Subsystem: "mem",
+					Env:       map[string]string{"DEVMODE": "0666", "DEVNAME": "urandom", "MAJOR": "1", "MINOR": "9"},
+				},
+				"/devices/virtual/mem/zero": {
+					DevPath:   "/devices/virtual/mem/zero",
+					Subsystem: "mem",
+					Env:       map[string]string{"DEVMODE": "0666", "DEVNAME": "zero", "MAJOR": "1", "MINOR": "5"},
+				},
+				"/devices/virtual/memory_tiering/memory_tier4": {
+					DevPath:   "/devices/virtual/memory_tiering/memory_tier4",
+					Subsystem: "memory_tiering",
+				},
+				"/devices/virtual/misc/cpu_dma_latency": {
+					DevPath:   "/devices/virtual/misc/cpu_dma_latency",
+					Subsystem: "misc",
+					Env:       map[string]string{"DEVNAME": "cpu_dma_latency", "MAJOR": "10", "MINOR": "259"},
+				},
+				"/devices/virtual/misc/hpet": {
+					DevPath:   "/devices/virtual/misc/hpet",
+					Subsystem: "misc",
+					Env:       map[string]string{"DEVNAME": "hpet", "MAJOR": "10", "MINOR": "228"},
+				},
+				"/devices/virtual/misc/snapshot": {
+					DevPath:   "/devices/virtual/misc/snapshot",
+					Subsystem: "misc",
+					Env:       map[string]string{"DEVNAME": "snapshot", "MAJOR": "10", "MINOR": "231"},
+				},
+				"/devices/virtual/misc/udmabuf": {
+					DevPath:   "/devices/virtual/misc/udmabuf",
+					Subsystem: "misc",
+					Env:       map[string]string{"DEVNAME": "udmabuf", "MAJOR": "10", "MINOR": "258"},
+				},
+				"/devices/virtual/misc/userfaultfd": {
+					DevPath:   "/devices/virtual/misc/userfaultfd",
+					Subsystem: "misc",
+					Env:       map[string]string{"DEVNAME": "userfaultfd", "MAJOR": "10", "MINOR": "257"},
+				},
+				"/devices/virtual/misc/vga_arbiter": {
+					DevPath:   "/devices/virtual/misc/vga_arbiter",
+					Subsystem: "misc",
+					Env:       map[string]string{"DEVNAME": "vga_arbiter", "MAJOR": "10", "MINOR": "256"},
+				},
+				"/devices/virtual/net/lo": {
+					DevPath:   "/devices/virtual/net/lo",
+					Subsystem: "net",
+					Env:       map[string]string{"IFINDEX": "1", "INTERFACE": "lo"},
+				},
+				"/devices/virtual/thermal/cooling_device0": {
+					DevPath:   "/devices/virtual/thermal/cooling_device0",
+					Subsystem: "thermal",
+				},
+				"/devices/virtual/tty/console": {
+					DevPath:   "/devices/virtual/tty/console",
+					Subsystem: "tty",
+					Env:       map[string]string{"DEVNAME": "console", "MAJOR": "5", "MINOR": "1"},
+				},
+				"/devices/virtual/tty/ptmx": {
+					DevPath:   "/devices/virtual/tty/ptmx",
+					Subsystem: "tty",
+					Env:       map[string]string{"DEVMODE": "0666", "DEVNAME": "ptmx", "MAJOR": "5", "MINOR": "2"},
+				},
+				"/devices/virtual/tty/tty": {
+					DevPath:   "/devices/virtual/tty/tty",
+					Subsystem: "tty",
+					Env:       map[string]string{"DEVMODE": "0666", "DEVNAME": "tty", "MAJOR": "5", "MINOR": "0"},
+				},
+				"/devices/virtual/tty/tty0": {
+					DevPath:   "/devices/virtual/tty/tty0",
+					Subsystem: "tty",
+					Env:       map[string]string{"DEVNAME": "tty0", "MAJOR": "4", "MINOR": "0"},
+				},
+				"/devices/virtual/tty/tty1": {
+					DevPath:   "/devices/virtual/tty/tty1",
+					Subsystem: "tty",
+					Env:       map[string]string{"DEVNAME": "tty1", "MAJOR": "4", "MINOR": "1"},
+				},
+				"/devices/virtual/tty/tty10": {
+					DevPath:   "/devices/virtual/tty/tty10",
+					Subsystem: "tty",
+					Env:       map[string]string{"DEVNAME": "tty10", "MAJOR": "4", "MINOR": "10"},
+				},
+				"/devices/virtual/tty/tty11": {
+					DevPath:   "/devices/virtual/tty/tty11",
+					Subsystem: "tty",
+					Env:       map[string]string{"DEVNAME": "tty11", "MAJOR": "4", "MINOR": "11"},
+				},
+				"/devices/virtual/tty/tty12": {
+					DevPath:   "/devices/virtual/tty/tty12",
+					Subsystem: "tty",
+					Env:       map[string]string{"DEVNAME": "tty12", "MAJOR": "4", "MINOR": "12"},
+				},
+				"/devices/virtual/tty/tty13": {
+					DevPath:   "/devices/virtual/tty/tty13",
+					Subsystem: "tty",
+					Env:       map[string]string{"DEVNAME": "tty13", "MAJOR": "4", "MINOR": "13"},
+				},
+				"/devices/virtual/tty/tty14": {
+					DevPath:   "/devices/virtual/tty/tty14",
+					Subsystem: "tty",
+					Env:       map[string]string{"DEVNAME": "tty14", "MAJOR": "4", "MINOR": "14"},
+				},
+				"/devices/virtual/tty/tty15": {
+					DevPath:   "/devices/virtual/tty/tty15",
+					Subsystem: "tty",
+					Env:       map[string]string{"DEVNAME": "tty15", "MAJOR": "4", "MINOR": "15"},
+				},
+				"/devices/virtual/tty/tty16": {
+					DevPath:   "/devices/virtual/tty/tty16",
+					Subsystem: "tty",
+					Env:       map[string]string{"DEVNAME": "tty16", "MAJOR": "4", "MINOR": "16"},
+				},
+				"/devices/virtual/tty/tty17": {
+					DevPath:   "/devices/virtual/tty/tty17",
+					Subsystem: "tty",
+					Env:       map[string]string{"DEVNAME": "tty17", "MAJOR": "4", "MINOR": "17"},
+				},
+				"/devices/virtual/tty/tty18": {
+					DevPath:   "/devices/virtual/tty/tty18",
+					Subsystem: "tty",
+					Env:       map[string]string{"DEVNAME": "tty18", "MAJOR": "4", "MINOR": "18"},
+				},
+				"/devices/virtual/tty/tty19": {
+					DevPath:   "/devices/virtual/tty/tty19",
+					Subsystem: "tty",
+					Env:       map[string]string{"DEVNAME": "tty19", "MAJOR": "4", "MINOR": "19"},
+				},
+				"/devices/virtual/tty/tty2": {
+					DevPath:   "/devices/virtual/tty/tty2",
+					Subsystem: "tty",
+					Env:       map[string]string{"DEVNAME": "tty2", "MAJOR": "4", "MINOR": "2"},
+				},
+				"/devices/virtual/tty/tty20": {
+					DevPath:   "/devices/virtual/tty/tty20",
+					Subsystem: "tty",
+					Env:       map[string]string{"DEVNAME": "tty20", "MAJOR": "4", "MINOR": "20"},
+				},
+				"/devices/virtual/tty/tty21": {
+					DevPath:   "/devices/virtual/tty/tty21",
+					Subsystem: "tty",
+					Env:       map[string]string{"DEVNAME": "tty21", "MAJOR": "4", "MINOR": "21"},
+				},
+				"/devices/virtual/tty/tty22": {
+					DevPath:   "/devices/virtual/tty/tty22",
+					Subsystem: "tty",
+					Env:       map[string]string{"DEVNAME": "tty22", "MAJOR": "4", "MINOR": "22"},
+				},
+				"/devices/virtual/tty/tty23": {
+					DevPath:   "/devices/virtual/tty/tty23",
+					Subsystem: "tty",
+					Env:       map[string]string{"DEVNAME": "tty23", "MAJOR": "4", "MINOR": "23"},
+				},
+				"/devices/virtual/tty/tty24": {
+					DevPath:   "/devices/virtual/tty/tty24",
+					Subsystem: "tty",
+					Env:       map[string]string{"DEVNAME": "tty24", "MAJOR": "4", "MINOR": "24"},
+				},
+				"/devices/virtual/tty/tty25": {
+					DevPath:   "/devices/virtual/tty/tty25",
+					Subsystem: "tty",
+					Env:       map[string]string{"DEVNAME": "tty25", "MAJOR": "4", "MINOR": "25"},
+				},
+				"/devices/virtual/tty/tty26": {
+					DevPath:   "/devices/virtual/tty/tty26",
+					Subsystem: "tty",
+					Env:       map[string]string{"DEVNAME": "tty26", "MAJOR": "4", "MINOR": "26"},
+				},
+				"/devices/virtual/tty/tty27": {
+					DevPath:   "/devices/virtual/tty/tty27",
+					Subsystem: "tty",
+					Env:       map[string]string{"DEVNAME": "tty27", "MAJOR": "4", "MINOR": "27"},
+				},
+				"/devices/virtual/tty/tty28": {
+					DevPath:   "/devices/virtual/tty/tty28",
+					Subsystem: "tty",
+					Env:       map[string]string{"DEVNAME": "tty28", "MAJOR": "4", "MINOR": "28"},
+				},
+				"/devices/virtual/tty/tty29": {
+					DevPath:   "/devices/virtual/tty/tty29",
+					Subsystem: "tty",
+					Env:       map[string]string{"DEVNAME": "tty29", "MAJOR": "4", "MINOR": "29"},
+				},
+				"/devices/virtual/tty/tty3": {
+					DevPath:   "/devices/virtual/tty/tty3",
+					Subsystem: "tty",
+					Env:       map[string]string{"DEVNAME": "tty3", "MAJOR": "4", "MINOR": "3"},
+				},
+				"/devices/virtual/tty/tty30": {
+					DevPath:   "/devices/virtual/tty/tty30",
+					Subsystem: "tty",
+					Env:       map[string]string{"DEVNAME": "tty30", "MAJOR": "4", "MINOR": "30"},
+				},
+				"/devices/virtual/tty/tty31": {
+					DevPath:   "/devices/virtual/tty/tty31",
+					Subsystem: "tty",
+					Env:       map[string]string{"DEVNAME": "tty31", "MAJOR": "4", "MINOR": "31"},
+				},
+				"/devices/virtual/tty/tty32": {
+					DevPath:   "/devices/virtual/tty/tty32",
+					Subsystem: "tty",
+					Env:       map[string]string{"DEVNAME": "tty32", "MAJOR": "4", "MINOR": "32"},
+				},
+				"/devices/virtual/tty/tty33": {
+					DevPath:   "/devices/virtual/tty/tty33",
+					Subsystem: "tty",
+					Env:       map[string]string{"DEVNAME": "tty33", "MAJOR": "4", "MINOR": "33"},
+				},
+				"/devices/virtual/tty/tty34": {
+					DevPath:   "/devices/virtual/tty/tty34",
+					Subsystem: "tty",
+					Env:       map[string]string{"DEVNAME": "tty34", "MAJOR": "4", "MINOR": "34"},
+				},
+				"/devices/virtual/tty/tty35": {
+					DevPath:   "/devices/virtual/tty/tty35",
+					Subsystem: "tty",
+					Env:       map[string]string{"DEVNAME": "tty35", "MAJOR": "4", "MINOR": "35"},
+				},
+				"/devices/virtual/tty/tty36": {
+					DevPath:   "/devices/virtual/tty/tty36",
+					Subsystem: "tty",
+					Env:       map[string]string{"DEVNAME": "tty36", "MAJOR": "4", "MINOR": "36"},
+				},
+				"/devices/virtual/tty/tty37": {
+					DevPath:   "/devices/virtual/tty/tty37",
+					Subsystem: "tty",
+					Env:       map[string]string{"DEVNAME": "tty37", "MAJOR": "4", "MINOR": "37"},
+				},
+				"/devices/virtual/tty/tty38": {
+					DevPath:   "/devices/virtual/tty/tty38",
+					Subsystem: "tty",
+					Env:       map[string]string{"DEVNAME": "tty38", "MAJOR": "4", "MINOR": "38"},
+				},
+				"/devices/virtual/tty/tty39": {
+					DevPath:   "/devices/virtual/tty/tty39",
+					Subsystem: "tty",
+					Env:       map[string]string{"DEVNAME": "tty39", "MAJOR": "4", "MINOR": "39"},
+				},
+				"/devices/virtual/tty/tty4": {
+					DevPath:   "/devices/virtual/tty/tty4",
+					Subsystem: "tty",
+					Env:       map[string]string{"DEVNAME": "tty4", "MAJOR": "4", "MINOR": "4"},
+				},
+				"/devices/virtual/tty/tty40": {
+					DevPath:   "/devices/virtual/tty/tty40",
+					Subsystem: "tty",
+					Env:       map[string]string{"DEVNAME": "tty40", "MAJOR": "4", "MINOR": "40"},
+				},
+				"/devices/virtual/tty/tty41": {
+					DevPath:   "/devices/virtual/tty/tty41",
+					Subsystem: "tty",
+					Env:       map[string]string{"DEVNAME": "tty41", "MAJOR": "4", "MINOR": "41"},
+				},
+				"/devices/virtual/tty/tty42": {
+					DevPath:   "/devices/virtual/tty/tty42",
+					Subsystem: "tty",
+					Env:       map[string]string{"DEVNAME": "tty42", "MAJOR": "4", "MINOR": "42"},
+				},
+				"/devices/virtual/tty/tty43": {
+					DevPath:   "/devices/virtual/tty/tty43",
+					Subsystem: "tty",
+					Env:       map[string]string{"DEVNAME": "tty43", "MAJOR": "4", "MINOR": "43"},
+				},
+				"/devices/virtual/tty/tty44": {
+					DevPath:   "/devices/virtual/tty/tty44",
+					Subsystem: "tty",
+					Env:       map[string]string{"DEVNAME": "tty44", "MAJOR": "4", "MINOR": "44"},
+				},
+				"/devices/virtual/tty/tty45": {
+					DevPath:   "/devices/virtual/tty/tty45",
+					Subsystem: "tty",
+					Env:       map[string]string{"DEVNAME": "tty45", "MAJOR": "4", "MINOR": "45"},
+				},
+				"/devices/virtual/tty/tty46": {
+					DevPath:   "/devices/virtual/tty/tty46",
+					Subsystem: "tty",
+					Env:       map[string]string{"DEVNAME": "tty46", "MAJOR": "4", "MINOR": "46"},
+				},
+				"/devices/virtual/tty/tty47": {
+					DevPath:   "/devices/virtual/tty/tty47",
+					Subsystem: "tty",
+					Env:       map[string]string{"DEVNAME": "tty47", "MAJOR": "4", "MINOR": "47"},
+				},
+				"/devices/virtual/tty/tty48": {
+					DevPath:   "/devices/virtual/tty/tty48",
+					Subsystem: "tty",
+					Env:       map[string]string{"DEVNAME": "tty48", "MAJOR": "4", "MINOR": "48"},
+				},
+				"/devices/virtual/tty/tty49": {
+					DevPath:   "/devices/virtual/tty/tty49",
+					Subsystem: "tty",
+					Env:       map[string]string{"DEVNAME": "tty49", "MAJOR": "4", "MINOR": "49"},
+				},
+				"/devices/virtual/tty/tty5": {
+					DevPath:   "/devices/virtual/tty/tty5",
+					Subsystem: "tty",
+					Env:       map[string]string{"DEVNAME": "tty5", "MAJOR": "4", "MINOR": "5"},
+				},
+				"/devices/virtual/tty/tty50": {
+					DevPath:   "/devices/virtual/tty/tty50",
+					Subsystem: "tty",
+					Env:       map[string]string{"DEVNAME": "tty50", "MAJOR": "4", "MINOR": "50"},
+				},
+				"/devices/virtual/tty/tty51": {
+					DevPath:   "/devices/virtual/tty/tty51",
+					Subsystem: "tty",
+					Env:       map[string]string{"DEVNAME": "tty51", "MAJOR": "4", "MINOR": "51"},
+				},
+				"/devices/virtual/tty/tty52": {
+					DevPath:   "/devices/virtual/tty/tty52",
+					Subsystem: "tty",
+					Env:       map[string]string{"DEVNAME": "tty52", "MAJOR": "4", "MINOR": "52"},
+				},
+				"/devices/virtual/tty/tty53": {
+					DevPath:   "/devices/virtual/tty/tty53",
+					Subsystem: "tty",
+					Env:       map[string]string{"DEVNAME": "tty53", "MAJOR": "4", "MINOR": "53"},
+				},
+				"/devices/virtual/tty/tty54": {
+					DevPath:   "/devices/virtual/tty/tty54",
+					Subsystem: "tty",
+					Env:       map[string]string{"DEVNAME": "tty54", "MAJOR": "4", "MINOR": "54"},
+				},
+				"/devices/virtual/tty/tty55": {
+					DevPath:   "/devices/virtual/tty/tty55",
+					Subsystem: "tty",
+					Env:       map[string]string{"DEVNAME": "tty55", "MAJOR": "4", "MINOR": "55"},
+				},
+				"/devices/virtual/tty/tty56": {
+					DevPath:   "/devices/virtual/tty/tty56",
+					Subsystem: "tty",
+					Env:       map[string]string{"DEVNAME": "tty56", "MAJOR": "4", "MINOR": "56"},
+				},
+				"/devices/virtual/tty/tty57": {
+					DevPath:   "/devices/virtual/tty/tty57",
+					Subsystem: "tty",
+					Env:       map[string]string{"DEVNAME": "tty57", "MAJOR": "4", "MINOR": "57"},
+				},
+				"/devices/virtual/tty/tty58": {
+					DevPath:   "/devices/virtual/tty/tty58",
+					Subsystem: "tty",
+					Env:       map[string]string{"DEVNAME": "tty58", "MAJOR": "4", "MINOR": "58"},
+				},
+				"/devices/virtual/tty/tty59": {
+					DevPath:   "/devices/virtual/tty/tty59",
+					Subsystem: "tty",
+					Env:       map[string]string{"DEVNAME": "tty59", "MAJOR": "4", "MINOR": "59"},
+				},
+				"/devices/virtual/tty/tty6": {
+					DevPath:   "/devices/virtual/tty/tty6",
+					Subsystem: "tty",
+					Env:       map[string]string{"DEVNAME": "tty6", "MAJOR": "4", "MINOR": "6"},
+				},
+				"/devices/virtual/tty/tty60": {
+					DevPath:   "/devices/virtual/tty/tty60",
+					Subsystem: "tty",
+					Env:       map[string]string{"DEVNAME": "tty60", "MAJOR": "4", "MINOR": "60"},
+				},
+				"/devices/virtual/tty/tty61": {
+					DevPath:   "/devices/virtual/tty/tty61",
+					Subsystem: "tty",
+					Env:       map[string]string{"DEVNAME": "tty61", "MAJOR": "4", "MINOR": "61"},
+				},
+				"/devices/virtual/tty/tty62": {
+					DevPath:   "/devices/virtual/tty/tty62",
+					Subsystem: "tty",
+					Env:       map[string]string{"DEVNAME": "tty62", "MAJOR": "4", "MINOR": "62"},
+				},
+				"/devices/virtual/tty/tty63": {
+					DevPath:   "/devices/virtual/tty/tty63",
+					Subsystem: "tty",
+					Env:       map[string]string{"DEVNAME": "tty63", "MAJOR": "4", "MINOR": "63"},
+				},
+				"/devices/virtual/tty/tty7": {
+					DevPath:   "/devices/virtual/tty/tty7",
+					Subsystem: "tty",
+					Env:       map[string]string{"DEVNAME": "tty7", "MAJOR": "4", "MINOR": "7"},
+				},
+				"/devices/virtual/tty/tty8": {
+					DevPath:   "/devices/virtual/tty/tty8",
+					Subsystem: "tty",
+					Env:       map[string]string{"DEVNAME": "tty8", "MAJOR": "4", "MINOR": "8"},
+				},
+				"/devices/virtual/tty/tty9": {
+					DevPath:   "/devices/virtual/tty/tty9",
+					Subsystem: "tty",
+					Env:       map[string]string{"DEVNAME": "tty9", "MAJOR": "4", "MINOR": "9"},
+				},
+				"/devices/virtual/vc/vcs": {
+					DevPath:   "/devices/virtual/vc/vcs",
+					Subsystem: "vc",
+					Env:       map[string]string{"DEVNAME": "vcs", "MAJOR": "7", "MINOR": "0"},
+				},
+				"/devices/virtual/vc/vcs1": {
+					DevPath:   "/devices/virtual/vc/vcs1",
+					Subsystem: "vc",
+					Env:       map[string]string{"DEVNAME": "vcs1", "MAJOR": "7", "MINOR": "1"},
+				},
+				"/devices/virtual/vc/vcsa": {
+					DevPath:   "/devices/virtual/vc/vcsa",
+					Subsystem: "vc",
+					Env:       map[string]string{"DEVNAME": "vcsa", "MAJOR": "7", "MINOR": "128"},
+				},
+				"/devices/virtual/vc/vcsa1": {
+					DevPath:   "/devices/virtual/vc/vcsa1",
+					Subsystem: "vc",
+					Env:       map[string]string{"DEVNAME": "vcsa1", "MAJOR": "7", "MINOR": "129"},
+				},
+				"/devices/virtual/vc/vcsu": {
+					DevPath:   "/devices/virtual/vc/vcsu",
+					Subsystem: "vc",
+					Env:       map[string]string{"DEVNAME": "vcsu", "MAJOR": "7", "MINOR": "64"},
+				},
+				"/devices/virtual/vc/vcsu1": {
+					DevPath:   "/devices/virtual/vc/vcsu1",
+					Subsystem: "vc",
+					Env:       map[string]string{"DEVNAME": "vcsu1", "MAJOR": "7", "MINOR": "65"},
+				},
+				"/devices/virtual/vtconsole/vtcon0": {
+					DevPath:   "/devices/virtual/vtconsole/vtcon0",
+					Subsystem: "vtconsole",
+				},
+				"/devices/virtual/workqueue/nvme-auth-wq": {
+					DevPath:   "/devices/virtual/workqueue/nvme-auth-wq",
+					Subsystem: "workqueue",
+				},
+				"/devices/virtual/workqueue/nvme-delete-wq": {
+					DevPath:   "/devices/virtual/workqueue/nvme-delete-wq",
+					Subsystem: "workqueue",
+				},
+				"/devices/virtual/workqueue/nvme-reset-wq": {
+					DevPath:   "/devices/virtual/workqueue/nvme-reset-wq",
+					Subsystem: "workqueue",
+				},
+				"/devices/virtual/workqueue/nvme-wq": {
+					DevPath:   "/devices/virtual/workqueue/nvme-wq",
+					Subsystem: "workqueue",
+				},
+				"/devices/virtual/workqueue/scsi_tmf_0": {
+					DevPath:   "/devices/virtual/workqueue/scsi_tmf_0",
+					Subsystem: "workqueue",
+				},
+				"/devices/virtual/workqueue/scsi_tmf_1": {
+					DevPath:   "/devices/virtual/workqueue/scsi_tmf_1",
+					Subsystem: "workqueue",
+				},
+				"/devices/virtual/workqueue/writeback": {
+					DevPath:   "/devices/virtual/workqueue/writeback",
+					Subsystem: "workqueue"}})
+		}, nil},
+
+		{"move", testdata01, func(want map[string]*Object) {
+			o := want["/devices/virtual/net/lo"].Clone()
+			delete(want, "/devices/virtual/net/lo")
+			o.DevPath = "/devices/virtual/net/_lo"
+			o.Env["INTERFACE"] = "_lo"
+			want["/devices/virtual/net/_lo"] = &o
+		}, nil},
+
+		{"cpu", testdata02, func(want map[string]*Object) {
+			o := want["/devices/system/machinecheck/machinecheck0"].Clone()
+			o.State = StateNew
+			want["/devices/system/machinecheck/machinecheck0"] = &o
+		}, nil},
+
+		{"loop", testdata03, func(want map[string]*Object) {
+			maps.Copy(want, map[string]*Object{
+				"/devices/virtual/bdi/7:0": {
+					State:     StateNew,
+					DevPath:   "/devices/virtual/bdi/7:0",
+					Subsystem: "bdi",
+				},
+				"/devices/virtual/bdi/7:1": {
+					State:     StateNew,
+					DevPath:   "/devices/virtual/bdi/7:1",
+					Subsystem: "bdi",
+				},
+				"/devices/virtual/bdi/7:2": {
+					State:     StateNew,
+					DevPath:   "/devices/virtual/bdi/7:2",
+					Subsystem: "bdi",
+				},
+				"/devices/virtual/bdi/7:3": {
+					State:     StateNew,
+					DevPath:   "/devices/virtual/bdi/7:3",
+					Subsystem: "bdi",
+				},
+				"/devices/virtual/bdi/7:4": {
+					State:     StateNew,
+					DevPath:   "/devices/virtual/bdi/7:4",
+					Subsystem: "bdi",
+				},
+				"/devices/virtual/bdi/7:5": {
+					State:     StateNew,
+					DevPath:   "/devices/virtual/bdi/7:5",
+					Subsystem: "bdi",
+				},
+				"/devices/virtual/bdi/7:6": {
+					State:     StateNew,
+					DevPath:   "/devices/virtual/bdi/7:6",
+					Subsystem: "bdi",
+				},
+				"/devices/virtual/bdi/7:7": {
+					State:     StateNew,
+					DevPath:   "/devices/virtual/bdi/7:7",
+					Subsystem: "bdi",
+				},
+
+				"/devices/virtual/block/loop0": {
+					State:     StateNew,
+					DevPath:   "/devices/virtual/block/loop0",
+					Subsystem: "block",
+					Env: map[string]string{
+						"DEVNAME": "loop0",
+						"DEVTYPE": "disk",
+						"DISKSEQ": "10",
+						"MAJOR":   "7",
+						"MINOR":   "0",
+					},
+				},
+				"/devices/virtual/block/loop1": {
+					State:     StateNew,
+					DevPath:   "/devices/virtual/block/loop1",
+					Subsystem: "block",
+					Env: map[string]string{
+						"DEVNAME": "loop1",
+						"DEVTYPE": "disk",
+						"DISKSEQ": "3",
+						"MAJOR":   "7",
+						"MINOR":   "1",
+					},
+				},
+				"/devices/virtual/block/loop2": {
+					State:     StateNew,
+					DevPath:   "/devices/virtual/block/loop2",
+					Subsystem: "block",
+					Env: map[string]string{
+						"DEVNAME": "loop2",
+						"DEVTYPE": "disk",
+						"DISKSEQ": "4",
+						"MAJOR":   "7",
+						"MINOR":   "2",
+					},
+				},
+				"/devices/virtual/block/loop3": {
+					State:     StateNew,
+					DevPath:   "/devices/virtual/block/loop3",
+					Subsystem: "block",
+					Env: map[string]string{
+						"DEVNAME": "loop3",
+						"DEVTYPE": "disk",
+						"DISKSEQ": "5",
+						"MAJOR":   "7",
+						"MINOR":   "3",
+					},
+				},
+				"/devices/virtual/block/loop4": {
+					State:     StateNew,
+					DevPath:   "/devices/virtual/block/loop4",
+					Subsystem: "block",
+					Env: map[string]string{
+						"DEVNAME": "loop4",
+						"DEVTYPE": "disk",
+						"DISKSEQ": "6",
+						"MAJOR":   "7",
+						"MINOR":   "4",
+					},
+				},
+				"/devices/virtual/block/loop5": {
+					State:     StateNew,
+					DevPath:   "/devices/virtual/block/loop5",
+					Subsystem: "block",
+					Env: map[string]string{
+						"DEVNAME": "loop5",
+						"DEVTYPE": "disk",
+						"DISKSEQ": "7",
+						"MAJOR":   "7",
+						"MINOR":   "5",
+					},
+				},
+				"/devices/virtual/block/loop6": {
+					State:     StateNew,
+					DevPath:   "/devices/virtual/block/loop6",
+					Subsystem: "block",
+					Env: map[string]string{
+						"DEVNAME": "loop6",
+						"DEVTYPE": "disk",
+						"DISKSEQ": "8",
+						"MAJOR":   "7",
+						"MINOR":   "6",
+					},
+				},
+				"/devices/virtual/block/loop7": {
+					State:     StateNew,
+					DevPath:   "/devices/virtual/block/loop7",
+					Subsystem: "block",
+					Env: map[string]string{
+						"DEVNAME": "loop7",
+						"DEVTYPE": "disk",
+						"DISKSEQ": "9",
+						"MAJOR":   "7",
+						"MINOR":   "7",
+					},
+				},
+				"/devices/virtual/misc/loop-control": {
+					State:     StateNew,
+					DevPath:   "/devices/virtual/misc/loop-control",
+					Subsystem: "misc",
+					Env: map[string]string{
+						"DEVNAME": "loop-control",
+						"MAJOR":   "10",
+						"MINOR":   "237",
+					},
+				},
+
+				"/module/loop": {
+					State:     StateNew,
+					DevPath:   "/module/loop",
+					Subsystem: "module",
+				},
+			})
+		}, []map[string]string{{}}},
+
+		{"loop-detach", testdata04, nil, []map[string]string{
+			{},
+			{"DISK_MEDIA_CHANGE": "1"},
+		}},
+
+		{"loop-remove", testdata05, func(want map[string]*Object) {
+			for _, k := range []string{
+				"/devices/virtual/misc/loop-control",
+				"/devices/virtual/bdi/7:0",
+				"/devices/virtual/block/loop0",
+				"/devices/virtual/bdi/7:1",
+				"/devices/virtual/block/loop1",
+				"/devices/virtual/bdi/7:2",
+				"/devices/virtual/block/loop2",
+				"/devices/virtual/bdi/7:3",
+				"/devices/virtual/block/loop3",
+				"/devices/virtual/bdi/7:4",
+				"/devices/virtual/block/loop4",
+				"/devices/virtual/bdi/7:5",
+				"/devices/virtual/block/loop5",
+				"/devices/virtual/bdi/7:6",
+				"/devices/virtual/block/loop6",
+				"/devices/virtual/bdi/7:7",
+				"/devices/virtual/block/loop7",
+				"/module/loop",
+			} {
+				delete(want, k)
+			}
+		}, nil},
+	}
+	var c []map[string]string
+	s := New(uevent.UUID{
+		0xfe, 0x4d, 0x7c, 0x9d,
+		0xb8, 0xc6,
+		0x4a, 0x70,
+		0x9e, 0xf1,
+		0x3d, 0x8a, 0x58, 0xd1, 0x8e, 0xed,
+	}, func(o *Object, env map[string]string) {
+		c = append(c, env)
+	}, func(err error) {
+		t.Fatal(err)
+	})
+	ueventVal := reflect.ValueOf(s).Elem().FieldByName("uevent")
+	got := reflect.NewAt(ueventVal.Type(), unsafe.Pointer(ueventVal.UnsafeAddr())).
+		Elem().Interface().(map[string]*Object)
+	want := make(map[string]*Object)
+	for _, step := range steps {
+		if step.want != nil {
+			step.want(want)
+		}
+		events := make(chan *uevent.Message)
+		go func() {
+			defer close(events)
+			d := json.NewDecoder(strings.NewReader(step.data))
+			for {
+				var m uevent.Message
+				if err := d.Decode(&m); err != nil {
+					if err == io.EOF {
+						break
+					}
+					panic(err)
+				}
+				events <- &m
+			}
+		}()
+
+		s.Consume(t.Context(), events)
+		if !reflect.DeepEqual(got, want) {
+			t.Fatalf("%s: %#v, want %#v", step.name, got, want)
+		}
+		if !slices.EqualFunc(c, step.c, maps.Equal) {
+			t.Fatalf("%s: c = %#v, want %#v", step.name, c, step.c)
+		}
+		c = nil
+	}
+}