[ 1507.969210][ T9900] veth0: entered allmulticast mode
[ 1507.969785][ T9900] veth1: entered allmulticast mode
[ 1507.970121][ T9900] veth2: entered allmulticast mode
[ 1507.970453][ T9900] veth3: entered allmulticast mode
[ 1534.437965][ T9900] veth0: left allmulticast mode
[ 1534.438242][ T9900] veth1: left allmulticast mode
[ 1534.438527][ T9900] veth2: left allmulticast mode
[ 1534.438766][ T9900] veth3: left allmulticast mode