[ 1644.421910][ T8221] veth0: entered allmulticast mode
[ 1644.422467][ T8221] veth1: entered allmulticast mode
[ 1644.422810][ T8221] veth2: entered allmulticast mode
[ 1644.423139][ T8221] veth3: entered allmulticast mode
[ 1671.198832][ T8221] veth0: left allmulticast mode
[ 1671.199167][ T8221] veth1: left allmulticast mode
[ 1671.199402][ T8221] veth2: left allmulticast mode
[ 1671.199637][ T8221] veth3: left allmulticast mode