[ 2390.007820][T32218] br0: port 1(dummy0) entered blocking state
[ 2390.008143][T32218] br0: port 1(dummy0) entered disabled state
[ 2390.008422][T32218] dummy0: entered allmulticast mode
[ 2390.009412][T32218] dummy0: entered promiscuous mode
[ 2390.041408][T32219] br0: port 1(dummy0) entered blocking state
[ 2390.041755][T32219] br0: port 1(dummy0) entered forwarding state
[ 2392.553118][   T12] dummy0: left allmulticast mode
[ 2392.554178][   T12] dummy0: left promiscuous mode
[ 2392.554556][   T12] br0: port 1(dummy0) entered disabled state