[ 2092.356329][T29120] br0: port 1(dummy0) entered blocking state
[ 2092.356521][T29120] br0: port 1(dummy0) entered disabled state
[ 2092.356689][T29120] dummy0: entered allmulticast mode
[ 2092.357955][T29120] dummy0: entered promiscuous mode
[ 2092.387183][T29121] br0: port 1(dummy0) entered blocking state
[ 2092.387453][T29121] br0: port 1(dummy0) entered forwarding state
[ 2094.345283][   T12] dummy0: left allmulticast mode
[ 2094.345598][   T12] dummy0: left promiscuous mode
[ 2094.345866][   T12] br0: port 1(dummy0) entered disabled state