[ 2045.489966][T17056] br0: port 1(dummy0) entered blocking state
[ 2045.490221][T17056] br0: port 1(dummy0) entered disabled state
[ 2045.492523][T17056] dummy0: entered allmulticast mode
[ 2045.493647][T17056] dummy0: entered promiscuous mode
[ 2045.515221][T17057] br0: port 1(dummy0) entered blocking state
[ 2045.515545][T17057] br0: port 1(dummy0) entered forwarding state
[ 2047.401122][   T12] dummy0: left allmulticast mode
[ 2047.401418][   T12] dummy0: left promiscuous mode
[ 2047.401676][   T12] br0: port 1(dummy0) entered disabled state