[ 2041.284741][T29558] br0: port 1(dummy0) entered blocking state
[ 2041.284941][T29558] br0: port 1(dummy0) entered disabled state
[ 2041.285569][T29558] dummy0: entered allmulticast mode
[ 2041.286439][T29558] dummy0: entered promiscuous mode
[ 2041.308462][T29559] br0: port 1(dummy0) entered blocking state
[ 2041.308668][T29559] br0: port 1(dummy0) entered forwarding state
[ 2043.234021][   T12] dummy0: left allmulticast mode
[ 2043.234199][   T12] dummy0: left promiscuous mode
[ 2043.234420][   T12] br0: port 1(dummy0) entered disabled state