panic: close of nil channel

goroutine 241 [running]:
gvisor.dev/gvisor/pkg/tcpip/transport/tcp.(*endpoint).listen(0xc000882100, 0x9, 0x0)
	pkg/tcpip/transport/tcp/endpoint.go:2195 +0x295
gvisor.dev/gvisor/pkg/tcpip/transport/tcp.(*endpoint).Listen(0xc000882100, 0x9, 0x2)
	pkg/tcpip/transport/tcp/endpoint.go:2166 +0x61
gvisor.dev/gvisor/pkg/sentry/socket/netstack.(*SocketOperations).Listen(0xc0006e8870, 0xc000502000, 0x9, 0x7f55b80f31b0)
	pkg/sentry/socket/netstack/netstack.go:769 +0x64
gvisor.dev/gvisor/pkg/sentry/syscalls/linux.Listen(0xc000502000, 0x4, 0x9, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, ...)
	pkg/sentry/syscalls/linux/sys_socket.go:404 +0x19a
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).executeSyscall(0xc000502000, 0x32, 0x4, 0x9, 0x0, 0x0, 0x0, 0x0, 0x85, 0x340, ...)
	pkg/sentry/kernel/task_syscall.go:170 +0x44e
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0xc000502000, 0x32, 0x4, 0x9, 0x0, 0x0, 0x0, 0x0, 0x407b4a, 0xc0005028af)
	pkg/sentry/kernel/task_syscall.go:305 +0xb5
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0xc000502000, 0x32, 0x4, 0x9, 0x0, 0x0, 0x0, 0x0, 0xc000739cd0, 0xe9db76)
	pkg/sentry/kernel/task_syscall.go:265 +0x10a
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0xc000502000, 0x2, 0xc00059a540)
	pkg/sentry/kernel/task_syscall.go:240 +0x1e8
gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0x0, 0xc000502000, 0x1625520, 0x0)
	pkg/sentry/kernel/task_run.go:258 +0x1698
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc000502000, 0x29)
	pkg/sentry/kernel/task_run.go:92 +0x321
created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start
	pkg/sentry/kernel/task_start.go:315 +0x19e