[ 2182.041359][T22649] br0: port 1(dummy0) entered blocking state
[ 2182.041573][T22649] br0: port 1(dummy0) entered disabled state
[ 2182.041748][T22649] dummy0: entered allmulticast mode
[ 2182.042911][T22649] dummy0: entered promiscuous mode
[ 2182.071943][T22650] br0: port 1(dummy0) entered blocking state
[ 2182.072187][T22650] br0: port 1(dummy0) entered forwarding state
[ 2184.025014][   T12] dummy0: left allmulticast mode
[ 2184.025677][   T12] dummy0: left promiscuous mode
[ 2184.025896][   T12] br0: port 1(dummy0) entered disabled state