[ 2112.687798][T22665] br0: port 1(dummy0) entered blocking state
[ 2112.687993][T22665] br0: port 1(dummy0) entered disabled state
[ 2112.688165][T22665] dummy0: entered allmulticast mode
[ 2112.689141][T22665] dummy0: entered promiscuous mode
[ 2112.712273][T22666] br0: port 1(dummy0) entered blocking state
[ 2112.712566][T22666] br0: port 1(dummy0) entered forwarding state
[ 2114.674217][   T12] dummy0: left allmulticast mode
[ 2114.674992][   T12] dummy0: left promiscuous mode
[ 2114.675315][   T12] br0: port 1(dummy0) entered disabled state