[ 2236.694303][T14176] br0: port 1(dummy0) entered blocking state
[ 2236.694607][T14176] br0: port 1(dummy0) entered disabled state
[ 2236.694883][T14176] dummy0: entered allmulticast mode
[ 2236.695851][T14176] dummy0: entered promiscuous mode
[ 2236.722220][T14177] br0: port 1(dummy0) entered blocking state
[ 2236.722564][T14177] br0: port 1(dummy0) entered forwarding state
[ 2239.069300][   T69] dummy0: left allmulticast mode
[ 2239.069574][   T69] dummy0: left promiscuous mode
[ 2239.069880][   T69] br0: port 1(dummy0) entered disabled state