[  638.133860][ T5540] veth0: entered allmulticast mode
[  638.134355][ T5540] veth1: entered allmulticast mode
[  638.134697][ T5540] veth2: entered allmulticast mode
[  638.135026][ T5540] veth3: entered allmulticast mode
[  649.259856][ T5540] veth0: left allmulticast mode
[  649.260244][ T5540] veth1: left allmulticast mode
[  649.260527][ T5540] veth2: left allmulticast mode
[  649.260795][ T5540] veth3: left allmulticast mode