[ 1641.485359][ T6922] veth0: entered allmulticast mode
[ 1641.485868][ T6922] veth1: entered allmulticast mode
[ 1641.486204][ T6922] veth2: entered allmulticast mode
[ 1641.486520][ T6922] veth3: entered allmulticast mode
[ 1668.374221][ T6922] veth0: left allmulticast mode
[ 1668.374518][ T6922] veth1: left allmulticast mode
[ 1668.374748][ T6922] veth2: left allmulticast mode
[ 1668.375081][ T6922] veth3: left allmulticast mode