[ 2133.554824][T22589] br0: port 1(dummy0) entered blocking state
[ 2133.555142][T22589] br0: port 1(dummy0) entered disabled state
[ 2133.555416][T22589] dummy0: entered allmulticast mode
[ 2133.556396][T22589] dummy0: entered promiscuous mode
[ 2133.583609][T22590] br0: port 1(dummy0) entered blocking state
[ 2133.584368][T22590] br0: port 1(dummy0) entered forwarding state
[ 2136.183254][   T65] dummy0: left allmulticast mode
[ 2136.183676][   T65] dummy0: left promiscuous mode
[ 2136.184369][   T65] br0: port 1(dummy0) entered disabled state