[ 2058.165600][T29985] br0: port 1(dummy0) entered blocking state
[ 2058.165842][T29985] br0: port 1(dummy0) entered disabled state
[ 2058.166063][T29985] dummy0: entered allmulticast mode
[ 2058.167721][T29985] dummy0: entered promiscuous mode
[ 2058.196510][T29986] br0: port 1(dummy0) entered blocking state
[ 2058.196688][T29986] br0: port 1(dummy0) entered forwarding state
[ 2060.222611][   T12] dummy0: left allmulticast mode
[ 2060.223722][   T12] dummy0: left promiscuous mode
[ 2060.224029][   T12] br0: port 1(dummy0) entered disabled state