[ 1460.773297][ T7700] veth0: entered allmulticast mode
[ 1460.773851][ T7700] veth1: entered allmulticast mode
[ 1460.774164][ T7700] veth2: entered allmulticast mode
[ 1460.774462][ T7700] veth3: entered allmulticast mode
[ 1460.774772][ T7700] veth4: entered allmulticast mode
[ 1460.775072][ T7700] veth5: entered allmulticast mode
[ 1500.376418][ T7700] veth0: left allmulticast mode
[ 1500.376760][ T7700] veth1: left allmulticast mode
[ 1500.377023][ T7700] veth2: left allmulticast mode
[ 1500.377280][ T7700] veth3: left allmulticast mode
[ 1500.377537][ T7700] veth4: left allmulticast mode
[ 1500.377836][ T7700] veth5: left allmulticast mode