[ 2346.796019][T21203] br0: port 1(dummy0) entered blocking state
[ 2346.796358][T21203] br0: port 1(dummy0) entered disabled state
[ 2346.796691][T21203] dummy0: entered allmulticast mode
[ 2346.797857][T21203] dummy0: entered promiscuous mode
[ 2346.829755][T21204] br0: port 1(dummy0) entered blocking state
[ 2346.830219][T21204] br0: port 1(dummy0) entered forwarding state
[ 2349.345778][   T70] dummy0: left allmulticast mode
[ 2349.346398][   T70] dummy0: left promiscuous mode
[ 2349.346730][   T70] br0: port 1(dummy0) entered disabled state