[ 1101.806945][T21961] veth0: entered allmulticast mode
[ 1101.807333][T21961] veth1: entered allmulticast mode
[ 1101.807609][T21961] veth2: entered allmulticast mode
[ 1101.807874][T21961] veth3: entered allmulticast mode
[ 1113.181399][T21961] veth0: left allmulticast mode
[ 1113.181739][T21961] veth1: left allmulticast mode
[ 1113.182043][T21961] veth2: left allmulticast mode
[ 1113.182311][T21961] veth3: left allmulticast mode