panic: WARNING: circular locking detected: stack.nicRWMutex -> stack.neighborCacheRWMutex: goroutine 17728 [running]: gvisor.dev/gvisor/pkg/sync/locking.(*ancestorsAtomicPtrMap).RangeRepeatable(0xc0002d4380, 0xc002a28788) bazel-out/k8-fastbuild-ST-3dcbe13c9b87/bin/pkg/sync/locking/atomicptrmap_ancestors_unsafe.go:441 +0x314 gvisor.dev/gvisor/pkg/sync/locking.checkLock(0xc0002d4000, 0xc0002d4360, {0xc001fc5ad8, 0x1, 0x1}) pkg/sync/locking/lockdep.go:98 +0x3a9 gvisor.dev/gvisor/pkg/sync/locking.checkLock.func1(0xc0002d4160?, 0xc002a288b8?) pkg/sync/locking/lockdep.go:101 +0x7a gvisor.dev/gvisor/pkg/sync/locking.(*ancestorsAtomicPtrMap).RangeRepeatable(0xc0002d4140, 0xc002a28990) bazel-out/k8-fastbuild-ST-3dcbe13c9b87/bin/pkg/sync/locking/atomicptrmap_ancestors_unsafe.go:441 +0x314 gvisor.dev/gvisor/pkg/sync/locking.checkLock(0xc0002d4000, 0xc0002d4120, {0x0, 0x0, 0x0}) pkg/sync/locking/lockdep.go:98 +0x3a9 gvisor.dev/gvisor/pkg/sync/locking.AddGLock(0xc0002d4000, 0xffffffffffffffff) pkg/sync/locking/lockdep.go:126 +0x2df gvisor.dev/gvisor/pkg/tcpip/stack.(*neighborCacheRWMutex).Lock(0xc001acfe60) bazel-out/k8-fastbuild-ST-3dcbe13c9b87/bin/pkg/tcpip/stack/neighbor_cache_mutex.go:31 +0x58 gvisor.dev/gvisor/pkg/tcpip/stack.(*neighborCache).clear(0xc001acfe40) pkg/tcpip/stack/neighbor_cache.go:238 +0x6d gvisor.dev/gvisor/pkg/tcpip/stack.(*nic).clearNeighbors(0xc000cacc00, 0x204c3c0?) pkg/tcpip/stack/nic.go:658 +0xb5 gvisor.dev/gvisor/pkg/tcpip/stack.(*nic).disableLocked(0xc000cacc00) pkg/tcpip/stack/nic.go:262 +0x19f gvisor.dev/gvisor/pkg/tcpip/stack.(*nic).remove(0xc000cacc00) pkg/tcpip/stack/nic.go:304 +0xc5 gvisor.dev/gvisor/pkg/tcpip/stack.(*Stack).removeNICLocked(0xc0004b6e00, 0x4eb) pkg/tcpip/stack/stack.go:976 +0x225 gvisor.dev/gvisor/pkg/tcpip/stack.(*Stack).RemoveNIC(0xc0004b6e00, 0x2329a2c?) pkg/tcpip/stack/stack.go:949 +0xbc gvisor.dev/gvisor/pkg/tcpip/link/tun.(*tunEndpoint).DecRef.func1() pkg/tcpip/link/tun/device.go:347 +0x9a gvisor.dev/gvisor/pkg/tcpip/link/tun.(*tunEndpointRefs).DecRef(0xc000a258c0, 0xc002a290a8) bazel-out/k8-fastbuild-ST-3dcbe13c9b87/bin/pkg/tcpip/link/tun/tun_endpoint_refs.go:131 +0xb2 gvisor.dev/gvisor/pkg/tcpip/link/tun.(*tunEndpoint).DecRef(0xc000a258c0, {0x0?, 0x106a98c?}) pkg/tcpip/link/tun/device.go:345 +0x5e gvisor.dev/gvisor/pkg/tcpip/link/tun.(*Device).Release(0xc000e4a668, {0x6b3718, 0xc00263ea80}) pkg/tcpip/link/tun/device.go:82 +0x1bf gvisor.dev/gvisor/pkg/sentry/devices/tundev.(*tunFD).Release(0xc000e4a600, {0x6b3718, 0xc00263ea80}) pkg/sentry/devices/tundev/tundev.go:117 +0x58 gvisor.dev/gvisor/pkg/sentry/vfs.(*FileDescription).DecRef.func1() pkg/sentry/vfs/file_description.go:192 +0x3bb gvisor.dev/gvisor/pkg/sentry/vfs.(*FileDescriptionRefs).DecRef(0xc000e4a600, 0xc002a29310) bazel-out/k8-fastbuild-ST-3dcbe13c9b87/bin/pkg/sentry/vfs/file_description_refs.go:131 +0xb2 gvisor.dev/gvisor/pkg/sentry/vfs.(*FileDescription).DecRef(0xc000e4a600, {0x6b3718, 0xc00263ea80}) pkg/sentry/vfs/file_description.go:161 +0x87 gvisor.dev/gvisor/pkg/sentry/kernel.(*FDTable).drop(0xc00233bdc0?, {0x6b3718, 0xc00263ea80}, 0x3?) pkg/sentry/kernel/fd_table.go:137 +0x119 gvisor.dev/gvisor/pkg/sentry/kernel.(*FDTable).NewFDAt(0x4?, {0x6b3718, 0xc00263ea80}, 0x233bdc0?, 0x106bca5?, {0x8c?}) pkg/sentry/kernel/fd_table.go:331 +0xd2 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).NewFDAt(0xc00263ea80, 0x1afd780?, 0xc001acff80?, {0x18?}) pkg/sentry/kernel/task.go:771 +0x85 gvisor.dev/gvisor/pkg/sentry/syscalls/linux.dup3(0xc00263ea80, 0x106a98c?, 0x3, 0x0) pkg/sentry/syscalls/linux/sys_file.go:572 +0x173 gvisor.dev/gvisor/pkg/sentry/syscalls/linux.Dup2(0x0?, {{0x4}, {0x3}, {0x0}, {0x0}, {0x0}, {0x0}}) pkg/sentry/syscalls/linux/sys_file.go:545 +0x16c gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).executeSyscall(0xc00263ea80, 0x21, {{0x4}, {0x3}, {0x0}, {0x0}, {0x0}, {0x0}}) pkg/sentry/kernel/task_syscall.go:142 +0xab8 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0xc00263ea80, 0x1?, {{0x4}, {0x3}, {0x0}, {0x0}, {0x0}, {0x0}}) pkg/sentry/kernel/task_syscall.go:322 +0x8e gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0xc001686ff0?, 0x106a98c?, {{0x4}, {0x3}, {0x0}, {0x0}, {0x0}, {0x0}}) pkg/sentry/kernel/task_syscall.go:282 +0xc5 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0xc00263ea80) pkg/sentry/kernel/task_syscall.go:257 +0x53b gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0xc00263ea80?, 0xc00263ea80) pkg/sentry/kernel/task_run.go:253 +0x1e94 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc00263ea80, 0x23c) pkg/sentry/kernel/task_run.go:94 +0x2cc created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start pkg/sentry/kernel/task_start.go:377 +0x1da