[ 2290.871513][T14923] br0: port 1(dummy0) entered blocking state
[ 2290.871875][T14923] br0: port 1(dummy0) entered disabled state
[ 2290.873147][T14923] dummy0: entered allmulticast mode
[ 2290.874243][T14923] dummy0: entered promiscuous mode
[ 2290.905309][T14924] br0: port 1(dummy0) entered blocking state
[ 2290.905621][T14924] br0: port 1(dummy0) entered forwarding state
[ 2293.483500][   T12] dummy0: left allmulticast mode
[ 2293.483785][   T12] dummy0: left promiscuous mode
[ 2293.484113][   T12] br0: port 1(dummy0) entered disabled state