[ 1388.398212][ T7721] veth0: entered allmulticast mode
[ 1388.398701][ T7721] veth1: entered allmulticast mode
[ 1388.399016][ T7721] veth2: entered allmulticast mode
[ 1388.399334][ T7721] veth3: entered allmulticast mode
[ 1412.269249][ T7721] veth0: left allmulticast mode
[ 1412.269521][ T7721] veth1: left allmulticast mode
[ 1412.269740][ T7721] veth2: left allmulticast mode
[ 1412.269955][ T7721] veth3: left allmulticast mode