[ 2258.909826][T31232] br0: port 1(dummy0) entered blocking state
[ 2258.910052][T31232] br0: port 1(dummy0) entered disabled state
[ 2258.910260][T31232] dummy0: entered allmulticast mode
[ 2258.911204][T31232] dummy0: entered promiscuous mode
[ 2258.935737][T31233] br0: port 1(dummy0) entered blocking state
[ 2258.935910][T31233] br0: port 1(dummy0) entered forwarding state
[ 2261.262066][   T12] dummy0: left allmulticast mode
[ 2261.263485][   T12] dummy0: left promiscuous mode
[ 2261.263786][   T12] br0: port 1(dummy0) entered disabled state