[  781.303020][T20493] veth0: entered allmulticast mode
[  781.303484][T20493] veth1: entered allmulticast mode
[  781.303812][T20493] veth2: entered allmulticast mode
[  781.304153][T20493] veth3: entered allmulticast mode
[  793.478934][T20493] veth0: left allmulticast mode
[  793.479565][T20493] veth1: left allmulticast mode
[  793.480090][T20493] veth2: left allmulticast mode
[  793.480589][T20493] veth3: left allmulticast mode