[ 2021.983528][T19433] veth0: entered allmulticast mode
[ 2021.984355][T19433] veth1: entered allmulticast mode
[ 2021.987529][T19433] veth2: entered allmulticast mode
[ 2021.988110][T19433] veth3: entered allmulticast mode
[ 2046.126130][T19433] veth0: left allmulticast mode
[ 2046.127647][T19433] veth1: left allmulticast mode
[ 2046.128083][T19433] veth2: left allmulticast mode
[ 2046.128486][T19433] veth3: left allmulticast mode