[ 2195.137407][T10495] br0: port 1(dummy0) entered blocking state
[ 2195.138028][T10495] br0: port 1(dummy0) entered disabled state
[ 2195.138193][T10495] dummy0: entered allmulticast mode
[ 2195.139463][T10495] dummy0: entered promiscuous mode
[ 2195.180308][T10496] br0: port 1(dummy0) entered blocking state
[ 2195.180760][T10496] br0: port 1(dummy0) entered forwarding state
[ 2197.176815][   T12] dummy0: left allmulticast mode
[ 2197.177940][   T12] dummy0: left promiscuous mode
[ 2197.178394][   T12] br0: port 1(dummy0) entered disabled state