[  770.536380][T21902] veth0: entered allmulticast mode
[  770.536724][T21902] veth1: entered allmulticast mode
[  770.536974][T21902] veth2: entered allmulticast mode
[  770.537227][T21902] veth3: entered allmulticast mode
[  781.208022][T21902] veth0: left allmulticast mode
[  781.208261][T21902] veth1: left allmulticast mode
[  781.208432][T21902] veth2: left allmulticast mode
[  781.208599][T21902] veth3: left allmulticast mode