[ 2077.272358][T20263] br0: port 1(dummy0) entered blocking state
[ 2077.272555][T20263] br0: port 1(dummy0) entered disabled state
[ 2077.272718][T20263] dummy0: entered allmulticast mode
[ 2077.273593][T20263] dummy0: entered promiscuous mode
[ 2077.298870][T20264] br0: port 1(dummy0) entered blocking state
[ 2077.299049][T20264] br0: port 1(dummy0) entered forwarding state
[ 2079.684172][   T67] dummy0: left allmulticast mode
[ 2079.684380][   T67] dummy0: left promiscuous mode
[ 2079.684604][   T67] br0: port 1(dummy0) entered disabled state