[ 1477.568271][ T7500] veth0: entered allmulticast mode
[ 1477.568799][ T7500] veth1: entered allmulticast mode
[ 1477.569143][ T7500] veth2: entered allmulticast mode
[ 1477.569451][ T7500] veth3: entered allmulticast mode
[ 1504.922330][ T7500] veth0: left allmulticast mode
[ 1504.922767][ T7500] veth1: left allmulticast mode
[ 1504.923155][ T7500] veth2: left allmulticast mode
[ 1504.923512][ T7500] veth3: left allmulticast mode