[ 1493.335920][ T7550] veth0: entered allmulticast mode
[ 1493.337767][ T7550] veth1: entered allmulticast mode
[ 1493.338301][ T7550] veth2: entered allmulticast mode
[ 1493.338624][ T7550] veth3: entered allmulticast mode
[ 1520.242923][ T7550] veth0: left allmulticast mode
[ 1520.243229][ T7550] veth1: left allmulticast mode
[ 1520.243462][ T7550] veth2: left allmulticast mode
[ 1520.243693][ T7550] veth3: left allmulticast mode