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

goroutine 417573 [running]:
panic({0x112b860, 0xc00fecaa20})
	GOROOT/src/runtime/panic.go:987 +0x3bb fp=0xc000cb7650 sp=0xc000cb7590 pc=0x436cdb
runtime.getitab(0x1132d80, 0x12be700, 0x0)
	GOROOT/src/runtime/iface.go:92 +0x1e5 fp=0xc000cb7698 sp=0xc000cb7650 pc=0x40aae5
runtime.assertE2I(0xc00f6e5740?, 0x10b3200?)
	GOROOT/src/runtime/iface.go:453 +0x25 fp=0xc000cb76c0 sp=0xc000cb7698 pc=0x40bac5
gvisor.dev/gvisor/pkg/sentry/unimpl.EmitUnimplementedEvent({0x1509dd8, 0xc00aa6c000})
	pkg/sentry/unimpl/events.go:44 +0x52 fp=0xc000cb7700 sp=0xc000cb76c0 pc=0x8f8db2
gvisor.dev/gvisor/pkg/sentry/fsimpl/devpts.maybeEmitUnimplementedEvent({0x1509dd8?, 0xc00aa6c000?}, 0x14e4b50?)
	pkg/sentry/fsimpl/devpts/master.go:247 +0xf8 fp=0xc000cb7720 sp=0xc000cb7700 pc=0xcbc678
gvisor.dev/gvisor/pkg/sentry/fsimpl/devpts.(*masterFileDescription).Ioctl(0xc00906d380, {0x1509dd8, 0xc00aa6c000}, {0x1504030, 0xc00c30d000}, {{0x3}, {0x5425}, {0x1}, {0x0}, {0x0}, ...})
	pkg/sentry/fsimpl/devpts/master.go:196 +0x41d fp=0xc000cb7798 sp=0xc000cb7720 pc=0xcbc1bd
gvisor.dev/gvisor/pkg/sentry/vfs.(*FileDescription).Ioctl(...)
	pkg/sentry/vfs/file_description.go:712
gvisor.dev/gvisor/pkg/sentry/syscalls/linux.Ioctl(0xc00aa6c000, 0x0?, {{0x3}, {0x5425}, {0x1}, {0x0}, {0x0}, {0x0}})
	pkg/sentry/syscalls/linux/sys_file.go:286 +0x3b0 fp=0xc000cb7868 sp=0xc000cb7798 pc=0xa6ae90
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).executeSyscall(0xc00aa6c000, 0x10, {{0x3}, {0x5425}, {0x1}, {0x0}, {0x0}, {0x0}})
	pkg/sentry/kernel/task_syscall.go:142 +0x755 fp=0xc000cb7c58 sp=0xc000cb7868 pc=0x9403f5
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0xc00aa6c000, 0x85?, {{0x3}, {0x5425}, {0x1}, {0x0}, {0x0}, {0x0}})
	pkg/sentry/kernel/task_syscall.go:322 +0x4a fp=0xc000cb7cb8 sp=0xc000cb7c58 pc=0x94162a
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0xc009325d70?, 0xc009325e08?, {{0x3}, {0x5425}, {0x1}, {0x0}, {0x0}, {0x0}})
	pkg/sentry/kernel/task_syscall.go:282 +0x65 fp=0xc000cb7d18 sp=0xc000cb7cb8 pc=0x941305
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0xc00f84aea0?)
	pkg/sentry/kernel/task_syscall.go:257 +0x2f0 fp=0xc000cb7e10 sp=0xc000cb7d18 pc=0x941070
gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0xc00906d300?, 0xc00aa6c000)
	pkg/sentry/kernel/task_run.go:269 +0x103e fp=0xc000cb7f48 sp=0xc000cb7e10 pc=0x9351fe
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc00aa6c000, 0x33a4)
	pkg/sentry/kernel/task_run.go:98 +0x1f8 fp=0xc000cb7fc0 sp=0xc000cb7f48 pc=0x933b18
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start.func1()
	pkg/sentry/kernel/task_start.go:377 +0x2a fp=0xc000cb7fe0 sp=0xc000cb7fc0 pc=0x93ebea
runtime.goexit()
	src/runtime/asm_amd64.s:1598 +0x1 fp=0xc000cb7fe8 sp=0xc000cb7fe0 pc=0x46d741
created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start
	pkg/sentry/kernel/task_start.go:377 +0xef