[ 2236.492223][T12565] br0: port 1(dummy0) entered blocking state
[ 2236.492417][T12565] br0: port 1(dummy0) entered disabled state
[ 2236.492582][T12565] dummy0: entered allmulticast mode
[ 2236.493590][T12565] dummy0: entered promiscuous mode
[ 2236.532261][T12566] br0: port 1(dummy0) entered blocking state
[ 2236.532569][T12566] br0: port 1(dummy0) entered forwarding state
[ 2238.843746][   T69] dummy0: left allmulticast mode
[ 2238.844456][   T69] dummy0: left promiscuous mode
[ 2238.844683][   T69] br0: port 1(dummy0) entered disabled state