[ 2224.765828][T24030] br0: port 1(dummy0) entered blocking state
[ 2224.766196][T24030] br0: port 1(dummy0) entered disabled state
[ 2224.766357][T24030] dummy0: entered allmulticast mode
[ 2224.767289][T24030] dummy0: entered promiscuous mode
[ 2224.789337][T24031] br0: port 1(dummy0) entered blocking state
[ 2224.789615][T24031] br0: port 1(dummy0) entered forwarding state
[ 2226.717146][   T70] dummy0: left allmulticast mode
[ 2226.717686][   T70] dummy0: left promiscuous mode
[ 2226.717902][   T70] br0: port 1(dummy0) entered disabled state