[ 220.122597][ T2256] veth0: entered allmulticast mode [ 220.123232][ T2256] veth1: entered allmulticast mode [ 220.123696][ T2256] veth2: entered allmulticast mode [ 220.124100][ T2256] veth3: entered allmulticast mode [ 238.525295][ T2256] veth0: left allmulticast mode [ 238.525610][ T2256] veth1: left allmulticast mode [ 238.525842][ T2256] veth2: left allmulticast mode [ 238.526074][ T2256] veth3: left allmulticast mode