[ 2130.606707][T25600] br0: port 1(dummy0) entered blocking state
[ 2130.606899][T25600] br0: port 1(dummy0) entered disabled state
[ 2130.607070][T25600] dummy0: entered allmulticast mode
[ 2130.607970][T25600] dummy0: entered promiscuous mode
[ 2130.638424][T25601] br0: port 1(dummy0) entered blocking state
[ 2130.638727][T25601] br0: port 1(dummy0) entered forwarding state
[ 2133.052850][   T12] dummy0: left allmulticast mode
[ 2133.053495][   T12] dummy0: left promiscuous mode
[ 2133.053742][   T12] br0: port 1(dummy0) entered disabled state