[ 1609.119582][ T7937] veth0: entered allmulticast mode
[ 1609.120571][ T7937] veth1: entered allmulticast mode
[ 1609.121459][ T7937] veth2: entered allmulticast mode
[ 1609.122329][ T7937] veth3: entered allmulticast mode
[ 1632.711466][ T7937] veth0: left allmulticast mode
[ 1632.712062][ T7937] veth1: left allmulticast mode
[ 1632.712455][ T7937] veth2: left allmulticast mode
[ 1632.712887][ T7937] veth3: left allmulticast mode