[ 1560.954001][ T4721] veth0: entered allmulticast mode
[ 1560.955236][ T4721] veth1: entered allmulticast mode
[ 1560.955569][ T4721] veth2: entered allmulticast mode
[ 1560.955877][ T4721] veth3: entered allmulticast mode
[ 1587.095516][ T4721] veth0: left allmulticast mode
[ 1587.095811][ T4721] veth1: left allmulticast mode
[ 1587.096049][ T4721] veth2: left allmulticast mode
[ 1587.096294][ T4721] veth3: left allmulticast mode