[ 2361.637859][T21489] br0: port 1(dummy0) entered blocking state
[ 2361.638174][T21489] br0: port 1(dummy0) entered disabled state
[ 2361.638461][T21489] dummy0: entered allmulticast mode
[ 2361.639598][T21489] dummy0: entered promiscuous mode
[ 2361.677701][T21490] br0: port 1(dummy0) entered blocking state
[ 2361.678420][T21490] br0: port 1(dummy0) entered forwarding state
[ 2364.053725][   T12] dummy0: left allmulticast mode
[ 2364.054979][   T12] dummy0: left promiscuous mode
[ 2364.055324][   T12] br0: port 1(dummy0) entered disabled state