[ 1522.108403][ T4437] veth0: entered allmulticast mode
[ 1522.108991][ T4437] veth1: entered allmulticast mode
[ 1522.109359][ T4437] veth2: entered allmulticast mode
[ 1522.109730][ T4437] veth3: entered allmulticast mode
[ 1548.118647][ T4437] veth0: left allmulticast mode
[ 1548.118945][ T4437] veth1: left allmulticast mode
[ 1548.119164][ T4437] veth2: left allmulticast mode
[ 1548.119414][ T4437] veth3: left allmulticast mode