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author | Ghanan Gowripalan <ghanan@google.com> | 2021-01-13 17:09:44 -0800 |
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committer | gVisor bot <gvisor-bot@google.com> | 2021-01-13 17:12:29 -0800 |
commit | c49ce8ca8ab988fd548419c522caf45bda90317b (patch) | |
tree | 3429eeeac9831c59d40f17e6a15527767eca0e4e /pkg/sentry/arch/signal_act.go | |
parent | 25b5ec7135a6de80674ac1ad4d2289c29e156f42 (diff) |
Clear neighbor table on NIC down
Note, this includes static entries to match linux's behaviour.
```
$ ip neigh show dev eth0
192.168.42.1 lladdr fc:ec:da:70:6e:f9 STALE
$ sudo ip neigh add 192.168.42.172 lladdr 22:33:44:55:66:77 dev eth0
$ ip neigh show dev eth0
192.168.42.1 lladdr fc:ec:da:70:6e:f9 STALE
192.168.42.172 lladdr 22:33:44:55:66:77 PERMANENT
$ sudo ifconfig eth0 down
$ ip neigh show dev eth0
$ sudo ifconfig eth0 up
$ ip neigh show dev eth0
```
Test: stack_test.TestClearNeighborCacheOnNICDisable
PiperOrigin-RevId: 351696306
Diffstat (limited to 'pkg/sentry/arch/signal_act.go')
0 files changed, 0 insertions, 0 deletions