[ 1995.217892][T24303] br0: port 1(dummy0) entered blocking state
[ 1995.218266][T24303] br0: port 1(dummy0) entered disabled state
[ 1995.218434][T24303] dummy0: entered allmulticast mode
[ 1995.219396][T24303] dummy0: entered promiscuous mode
[ 1995.246244][T24304] br0: port 1(dummy0) entered blocking state
[ 1995.246526][T24304] br0: port 1(dummy0) entered forwarding state
[ 1997.223884][   T12] dummy0: left allmulticast mode
[ 1997.225003][   T12] dummy0: left promiscuous mode
[ 1997.225240][   T12] br0: port 1(dummy0) entered disabled state