[ 1221.840545][ T4256] veth0: entered allmulticast mode
[ 1221.841359][ T4256] veth1: entered allmulticast mode
[ 1221.841855][ T4256] veth2: entered allmulticast mode
[ 1221.843797][ T4256] veth3: entered allmulticast mode
[ 1238.984277][ T4256] veth0: left allmulticast mode
[ 1238.984574][ T4256] veth1: left allmulticast mode
[ 1238.984810][ T4256] veth2: left allmulticast mode
[ 1238.985032][ T4256] veth3: left allmulticast mode