[ 2020.324333][T18530] veth0: entered allmulticast mode
[ 2020.326564][T18530] veth1: entered allmulticast mode
[ 2020.327779][T18530] veth2: entered allmulticast mode
[ 2020.328337][T18530] veth3: entered allmulticast mode
[ 2043.885454][T18530] veth0: left allmulticast mode
[ 2043.886124][T18530] veth1: left allmulticast mode
[ 2043.886616][T18530] veth2: left allmulticast mode
[ 2043.887167][T18530] veth3: left allmulticast mode