[ 1516.246935][ T7421] veth0: entered allmulticast mode
[ 1516.247511][ T7421] veth1: entered allmulticast mode
[ 1516.255244][ T7421] veth2: entered allmulticast mode
[ 1516.255627][ T7421] veth3: entered allmulticast mode
[ 1541.873693][ T7421] veth0: left allmulticast mode
[ 1541.873984][ T7421] veth1: left allmulticast mode
[ 1541.874203][ T7421] veth2: left allmulticast mode
[ 1541.874419][ T7421] veth3: left allmulticast mode