[ 1504.299296][ T9988] veth0: entered allmulticast mode
[ 1504.300200][ T9988] veth1: entered allmulticast mode
[ 1504.300776][ T9988] veth2: entered allmulticast mode
[ 1504.309607][ T9988] veth3: entered allmulticast mode
[ 1531.572928][ T9988] veth0: left allmulticast mode
[ 1531.573235][ T9988] veth1: left allmulticast mode
[ 1531.573465][ T9988] veth2: left allmulticast mode
[ 1531.573699][ T9988] veth3: left allmulticast mode