[ 2125.297093][T27802] br0: port 1(dummy0) entered blocking state
[ 2125.297306][T27802] br0: port 1(dummy0) entered disabled state
[ 2125.297485][T27802] dummy0: entered allmulticast mode
[ 2125.298392][T27802] dummy0: entered promiscuous mode
[ 2125.322523][T27803] br0: port 1(dummy0) entered blocking state
[ 2125.322715][T27803] br0: port 1(dummy0) entered forwarding state
[ 2127.350809][   T12] dummy0: left allmulticast mode
[ 2127.350978][   T12] dummy0: left promiscuous mode
[ 2127.351193][   T12] br0: port 1(dummy0) entered disabled state