[ 2112.612259][T23606] br0: port 1(dummy0) entered blocking state
[ 2112.612444][T23606] br0: port 1(dummy0) entered disabled state
[ 2112.612612][T23606] dummy0: entered allmulticast mode
[ 2112.613520][T23606] dummy0: entered promiscuous mode
[ 2112.640340][T23607] br0: port 1(dummy0) entered blocking state
[ 2112.640654][T23607] br0: port 1(dummy0) entered forwarding state
[ 2114.585409][   T12] dummy0: left allmulticast mode
[ 2114.585808][   T12] dummy0: left promiscuous mode
[ 2114.586168][   T12] br0: port 1(dummy0) entered disabled state