[ 2029.418168][T29572] br0: port 1(dummy0) entered blocking state
[ 2029.418445][T29572] br0: port 1(dummy0) entered disabled state
[ 2029.418684][T29572] dummy0: entered allmulticast mode
[ 2029.420370][T29572] dummy0: entered promiscuous mode
[ 2029.443394][T29573] br0: port 1(dummy0) entered blocking state
[ 2029.443650][T29573] br0: port 1(dummy0) entered forwarding state
[ 2031.345968][   T12] dummy0: left allmulticast mode
[ 2031.346607][   T12] dummy0: left promiscuous mode
[ 2031.346830][   T12] br0: port 1(dummy0) entered disabled state