panic: interface conversion: *kernel.Kernel is not unimpl.Events: missing method EmitUnimplementedEvent

goroutine 2655 [running]:
panic({0x122e8a0, 0xc000837650})
	GOROOT/src/runtime/panic.go:987 +0x3bb fp=0xc000d1b6a0 sp=0xc000d1b5e0 pc=0x436afb
runtime.getitab(0x1235dc0, 0x13c17c0, 0x0)
	GOROOT/src/runtime/iface.go:92 +0x1e5 fp=0xc000d1b6e8 sp=0xc000d1b6a0 pc=0x40aae5
runtime.assertE2I(0x9aba99?, 0x11b6220?)
	GOROOT/src/runtime/iface.go:453 +0x25 fp=0xc000d1b710 sp=0xc000d1b6e8 pc=0x40bac5
gvisor.dev/gvisor/pkg/sentry/unimpl.EmitUnimplementedEvent({0x1637ff8, 0xc000c3aa80})
	pkg/sentry/unimpl/events.go:44 +0x66 fp=0xc000d1b750 sp=0xc000d1b710 pc=0x974f26
gvisor.dev/gvisor/pkg/sentry/fsimpl/devpts.maybeEmitUnimplementedEvent({0x1637ff8?, 0xc000c3aa80?}, 0x8fdce0?)
	pkg/sentry/fsimpl/devpts/master.go:247 +0x105 fp=0xc000d1b770 sp=0xc000d1b750 pc=0xda2505
gvisor.dev/gvisor/pkg/sentry/fsimpl/devpts.(*masterFileDescription).Ioctl(0xc0005b5b80, {0x1637ff8, 0xc000c3aa80}, {0x16324d0, 0xc0009fa000}, {{0x3}, {0x5404}, {0x20000bc0}, {0x0}, {0x0}, ...})
	pkg/sentry/fsimpl/devpts/master.go:196 +0x5c7 fp=0xc000d1b818 sp=0xc000d1b770 pc=0xda2027
gvisor.dev/gvisor/pkg/sentry/vfs.(*FileDescription).Ioctl(...)
	pkg/sentry/vfs/file_description.go:712
gvisor.dev/gvisor/pkg/sentry/syscalls/linux.Ioctl(0xc000c3aa80, 0xb?, {{0x3}, {0x5404}, {0x20000bc0}, {0x0}, {0x0}, {0x0}})
	pkg/sentry/syscalls/linux/sys_file.go:286 +0x503 fp=0xc000d1b918 sp=0xc000d1b818 pc=0xb21443
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).executeSyscall(0xc000c3aa80, 0x10, {{0x3}, {0x5404}, {0x20000bc0}, {0x0}, {0x0}, {0x0}})
	pkg/sentry/kernel/task_syscall.go:142 +0x80b fp=0xc000d1bc58 sp=0xc000d1b918 pc=0x9c9fab
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0xc000c3aa80, 0xc0004f3998?, {{0x3}, {0x5404}, {0x20000bc0}, {0x0}, {0x0}, {0x0}})
	pkg/sentry/kernel/task_syscall.go:322 +0x54 fp=0xc000d1bcb8 sp=0xc000d1bc58 pc=0x9cb594
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0xc000d1be00?, 0xd05e25?, {{0x3}, {0x5404}, {0x20000bc0}, {0x0}, {0x0}, {0x0}})
	pkg/sentry/kernel/task_syscall.go:282 +0x85 fp=0xc000d1bd18 sp=0xc000d1bcb8 pc=0x9cb185
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0xc00084a0e0?)
	pkg/sentry/kernel/task_syscall.go:257 +0x3ac fp=0xc000d1be10 sp=0xc000d1bd18 pc=0x9cae4c
gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0xc0005b5800?, 0xc000c3aa80)
	pkg/sentry/kernel/task_run.go:269 +0x144a fp=0xc000d1bf48 sp=0xc000d1be10 pc=0x9bc9ca
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc000c3aa80, 0x68)
	pkg/sentry/kernel/task_run.go:98 +0x25c fp=0xc000d1bfc0 sp=0xc000d1bf48 pc=0x9bae7c
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start.func1()
	pkg/sentry/kernel/task_start.go:377 +0x2a fp=0xc000d1bfe0 sp=0xc000d1bfc0 pc=0x9c842a
runtime.goexit()
	src/runtime/asm_amd64.s:1598 +0x1 fp=0xc000d1bfe8 sp=0xc000d1bfe0 pc=0x46d561
created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start
	pkg/sentry/kernel/task_start.go:377 +0x105