panic: interface conversion: unix.Receiver is nil, not *unix.queueReceiver goroutine 149 [running]: gvisor.googlesource.com/gvisor/pkg/tcpip/transport/unix.(*connectionlessEndpoint).UnidirectionalConnect(0xc420138640, 0xc42081da78, 0x427f59, 0x8) pkg/tcpip/transport/unix/connectionless.go:80 +0xed gvisor.googlesource.com/gvisor/pkg/tcpip/transport/unix.(*connectionlessEndpoint).Connect(0xc420138a00, 0x3fb90c109000, 0xc420138640, 0x6e) pkg/tcpip/transport/unix/connectionless.go:117 +0x35 gvisor.googlesource.com/gvisor/pkg/sentry/socket/unix.(*SocketOperations).Connect(0xc420138aa0, 0xc420598900, 0xc42082c000, 0x6e, 0x6e, 0x1, 0x0) pkg/sentry/socket/unix/unix.go:340 +0xc6 gvisor.googlesource.com/gvisor/pkg/sentry/syscalls/linux.Connect(0xc420598900, 0x4, 0x20000240, 0x6e, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, ...) pkg/sentry/syscalls/linux/sys_socket.go:278 +0x1eb gvisor.googlesource.com/gvisor/pkg/sentry/kernel.(*Task).executeSyscall(0xc420598900, 0x2a, 0x4, 0x20000240, 0x6e, 0x0, 0x0, 0x0, 0xc42081dcc0, 0xbc09c0, ...) pkg/sentry/kernel/task_syscall.go:162 +0x307 gvisor.googlesource.com/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0xc420598900, 0x2a, 0x4, 0x20000240, 0x6e, 0x0, 0x0, 0x0, 0x0, 0x0) pkg/sentry/kernel/task_syscall.go:278 +0x62 gvisor.googlesource.com/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0xc420598900, 0x2a, 0x4, 0x20000240, 0x6e, 0x0, 0x0, 0x0, 0xc42010bc00, 0xc42081de18) pkg/sentry/kernel/task_syscall.go:241 +0x91 gvisor.googlesource.com/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0xc420598900, 0x2, 0xc420156900) pkg/sentry/kernel/task_syscall.go:216 +0x10c gvisor.googlesource.com/gvisor/pkg/sentry/kernel.(*runApp).execute(0x0, 0xc420598900, 0xc748a0, 0x0) pkg/sentry/kernel/task_run.go:217 +0xe56 gvisor.googlesource.com/gvisor/pkg/sentry/kernel.(*Task).run(0xc420598900, 0xe) pkg/sentry/kernel/task_run.go:95 +0x174 created by gvisor.googlesource.com/gvisor/pkg/sentry/kernel.(*Task).Start pkg/sentry/kernel/task_start.go:258 +0x100