[ 1924.239440][T26280] br0: port 1(dummy0) entered blocking state
[ 1924.239638][T26280] br0: port 1(dummy0) entered disabled state
[ 1924.239799][T26280] dummy0: entered allmulticast mode
[ 1924.240659][T26280] dummy0: entered promiscuous mode
[ 1924.263026][T26281] br0: port 1(dummy0) entered blocking state
[ 1924.263429][T26281] br0: port 1(dummy0) entered forwarding state
[ 1926.246433][   T12] dummy0: left allmulticast mode
[ 1926.247218][   T12] dummy0: left promiscuous mode
[ 1926.247434][   T12] br0: port 1(dummy0) entered disabled state