[ 2329.981467][T20813] veth0: entered allmulticast mode
[ 2329.982863][T20813] veth1: entered allmulticast mode
[ 2329.983476][T20813] veth2: entered allmulticast mode
[ 2329.984076][T20813] veth3: entered allmulticast mode
[ 2353.724418][T20813] veth0: left allmulticast mode
[ 2353.725214][T20813] veth1: left allmulticast mode
[ 2353.725940][T20813] veth2: left allmulticast mode
[ 2353.726527][T20813] veth3: left allmulticast mode