panic: WARNING: circular locking detected: stack.nicRWMutex -> stack.neighborCacheRWMutex: goroutine 775673 [running]: gvisor.dev/gvisor/pkg/sync/locking.(*ancestorsAtomicPtrMap).RangeRepeatable(0xc000164380, 0xc00105cfe0) bazel-out/k8-fastbuild-ST-3dcbe13c9b87/bin/pkg/sync/locking/atomicptrmap_ancestors_unsafe.go:441 +0x1dc gvisor.dev/gvisor/pkg/sync/locking.checkLock(0xc000164000, 0xc000164360, {0xc009f3c1b0, 0x1, 0x1}) pkg/sync/locking/lockdep.go:98 +0x373 gvisor.dev/gvisor/pkg/sync/locking.checkLock.func1(0xc000164160?, 0xc00105d108?) pkg/sync/locking/lockdep.go:101 +0x65 gvisor.dev/gvisor/pkg/sync/locking.(*ancestorsAtomicPtrMap).RangeRepeatable(0xc000164140, 0xc00105d1e0) bazel-out/k8-fastbuild-ST-3dcbe13c9b87/bin/pkg/sync/locking/atomicptrmap_ancestors_unsafe.go:441 +0x1dc gvisor.dev/gvisor/pkg/sync/locking.checkLock(0xc000164000, 0xc000164120, {0x0, 0x0, 0x0}) pkg/sync/locking/lockdep.go:98 +0x373 gvisor.dev/gvisor/pkg/sync/locking.AddGLock(0xc000164000, 0xffffffffffffffff) pkg/sync/locking/lockdep.go:126 +0x28c gvisor.dev/gvisor/pkg/tcpip/stack.(*neighborCacheRWMutex).Lock(0xc000842e30) bazel-out/k8-fastbuild-ST-3dcbe13c9b87/bin/pkg/tcpip/stack/neighbor_cache_mutex.go:31 +0x45 gvisor.dev/gvisor/pkg/tcpip/stack.(*neighborCache).clear(0xc000842e10) pkg/tcpip/stack/neighbor_cache.go:238 +0x5c gvisor.dev/gvisor/pkg/tcpip/stack.(*nic).clearNeighbors(0xc000a9ec00, 0xb02030?) pkg/tcpip/stack/nic.go:658 +0x8f gvisor.dev/gvisor/pkg/tcpip/stack.(*nic).disableLocked(0xc000a9ec00) pkg/tcpip/stack/nic.go:262 +0x145 gvisor.dev/gvisor/pkg/tcpip/stack.(*nic).remove(0xc000a9ec00) pkg/tcpip/stack/nic.go:304 +0xac gvisor.dev/gvisor/pkg/tcpip/stack.(*Stack).removeNICLocked(0xc00040c300, 0x9) pkg/tcpip/stack/stack.go:976 +0x1dd gvisor.dev/gvisor/pkg/tcpip/stack.(*Stack).RemoveNIC(0xc00040c300, 0x1133a39?) pkg/tcpip/stack/stack.go:949 +0xad gvisor.dev/gvisor/pkg/tcpip/link/tun.(*tunEndpoint).DecRef.func1() pkg/tcpip/link/tun/device.go:347 +0x89 gvisor.dev/gvisor/pkg/tcpip/link/tun.(*tunEndpointRefs).DecRef(0xc000c949c0, 0xc00105d8f0) bazel-out/k8-fastbuild-ST-3dcbe13c9b87/bin/pkg/tcpip/link/tun/tun_endpoint_refs.go:131 +0x5f gvisor.dev/gvisor/pkg/tcpip/link/tun.(*tunEndpoint).DecRef(0xc000c949c0, {0xc000715c50?, 0xc009f3c100?}) pkg/tcpip/link/tun/device.go:345 +0x4d gvisor.dev/gvisor/pkg/tcpip/link/tun.(*Device).Release(0xc00077c4e8, {0x79d238, 0xc008ed3500}) pkg/tcpip/link/tun/device.go:82 +0x1c6 gvisor.dev/gvisor/pkg/sentry/devices/tundev.(*tunFD).Release(0xc00077c480, {0x79d238, 0xc008ed3500}) pkg/sentry/devices/tundev/tundev.go:117 +0x47 gvisor.dev/gvisor/pkg/sentry/vfs.(*FileDescription).DecRef.func1() pkg/sentry/vfs/file_description.go:192 +0x348 gvisor.dev/gvisor/pkg/sentry/vfs.(*FileDescriptionRefs).DecRef(0xc00077c480, 0xc00105db68) bazel-out/k8-fastbuild-ST-3dcbe13c9b87/bin/pkg/sentry/vfs/file_description_refs.go:131 +0x5f gvisor.dev/gvisor/pkg/sentry/vfs.(*FileDescription).DecRef(0xc00077c480, {0x79d238, 0xc008ed3500}) pkg/sentry/vfs/file_description.go:161 +0x6f gvisor.dev/gvisor/pkg/sentry/kernel.(*FDTable).drop(0xc0049d6090?, {0x79d238, 0xc008ed3500}, 0xc00077c480) pkg/sentry/kernel/fd_table.go:137 +0x1ed gvisor.dev/gvisor/pkg/sentry/kernel.(*FDTable).RemoveIf(0xc0049d6080, {0x79d238, 0xc008ed3500}, 0x4d4a08) pkg/sentry/kernel/fd_table.go:501 +0x150 gvisor.dev/gvisor/pkg/sentry/kernel.(*FDTable).DecRef.func1() pkg/sentry/kernel/fd_table.go:152 +0x54 gvisor.dev/gvisor/pkg/sentry/kernel.(*FDTableRefs).DecRef(0xc0049d6080, 0xc00105dd88) bazel-out/k8-fastbuild-ST-3dcbe13c9b87/bin/pkg/sentry/kernel/fd_table_refs.go:131 +0x5f gvisor.dev/gvisor/pkg/sentry/kernel.(*FDTable).DecRef(0xc0049d6080, {0x79d238, 0xc008ed3500}) pkg/sentry/kernel/fd_table.go:151 +0x6f gvisor.dev/gvisor/pkg/sentry/kernel.(*runExitMain).execute(0xc008ed3500, 0xc008ed3500) pkg/sentry/kernel/task_exit.go:281 +0x797 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc008ed3500, 0x9114) pkg/sentry/kernel/task_run.go:94 +0x3a2 created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start pkg/sentry/kernel/task_start.go:377 +0x1ad