[ 2090.666802][T12558] br0: port 1(dummy0) entered blocking state
[ 2090.667038][T12558] br0: port 1(dummy0) entered disabled state
[ 2090.667250][T12558] dummy0: entered allmulticast mode
[ 2090.668189][T12558] dummy0: entered promiscuous mode
[ 2090.701271][T12559] br0: port 1(dummy0) entered blocking state
[ 2090.701445][T12559] br0: port 1(dummy0) entered forwarding state
[ 2092.618088][   T70] dummy0: left allmulticast mode
[ 2092.618292][   T70] dummy0: left promiscuous mode
[ 2092.618519][   T70] br0: port 1(dummy0) entered disabled state