[ 2057.090813][T19333] br0: port 1(dummy0) entered blocking state
[ 2057.091049][T19333] br0: port 1(dummy0) entered disabled state
[ 2057.091281][T19333] dummy0: entered allmulticast mode
[ 2057.092256][T19333] dummy0: entered promiscuous mode
[ 2057.121172][T19334] br0: port 1(dummy0) entered blocking state
[ 2057.121432][T19334] br0: port 1(dummy0) entered forwarding state
[ 2058.986826][   T12] dummy0: left allmulticast mode
[ 2058.987533][   T12] dummy0: left promiscuous mode
[ 2058.987758][   T12] br0: port 1(dummy0) entered disabled state