[ 1221.774690][T20657] veth0: entered allmulticast mode
[ 1221.775907][T20657] veth1: entered allmulticast mode
[ 1221.776473][T20657] veth2: entered allmulticast mode
[ 1221.777023][T20657] veth3: entered allmulticast mode
[ 1246.136367][T20657] veth0: left allmulticast mode
[ 1246.136878][T20657] veth1: left allmulticast mode
[ 1246.137302][T20657] veth2: left allmulticast mode
[ 1246.137715][T20657] veth3: left allmulticast mode