[ 1638.586305][ T7550] veth0: entered allmulticast mode
[ 1638.586822][ T7550] veth1: entered allmulticast mode
[ 1638.587184][ T7550] veth2: entered allmulticast mode
[ 1638.587531][ T7550] veth3: entered allmulticast mode
[ 1664.916825][ T7550] veth0: left allmulticast mode
[ 1664.917111][ T7550] veth1: left allmulticast mode
[ 1664.917391][ T7550] veth2: left allmulticast mode
[ 1664.917631][ T7550] veth3: left allmulticast mode