[ 2177.715052][T15764] br0: port 1(dummy0) entered blocking state
[ 2177.715368][T15764] br0: port 1(dummy0) entered disabled state
[ 2177.715668][T15764] dummy0: entered allmulticast mode
[ 2177.717099][T15764] dummy0: entered promiscuous mode
[ 2177.757477][T15765] br0: port 1(dummy0) entered blocking state
[ 2177.757966][T15765] br0: port 1(dummy0) entered forwarding state
[ 2180.164860][   T62] dummy0: left allmulticast mode
[ 2180.165930][   T62] dummy0: left promiscuous mode
[ 2180.166255][   T62] br0: port 1(dummy0) entered disabled state