[ 2339.214241][T10011] br0: port 1(dummy0) entered blocking state
[ 2339.214561][T10011] br0: port 1(dummy0) entered disabled state
[ 2339.214860][T10011] dummy0: entered allmulticast mode
[ 2339.215913][T10011] dummy0: entered promiscuous mode
[ 2339.249369][T10012] br0: port 1(dummy0) entered blocking state
[ 2339.249705][T10012] br0: port 1(dummy0) entered forwarding state
[ 2341.680751][   T69] dummy0: left allmulticast mode
[ 2341.681044][   T69] dummy0: left promiscuous mode
[ 2341.681367][   T69] br0: port 1(dummy0) entered disabled state