[ 2147.627332][T23558] br0: port 1(dummy0) entered blocking state
[ 2147.627572][T23558] br0: port 1(dummy0) entered disabled state
[ 2147.627789][T23558] dummy0: entered allmulticast mode
[ 2147.631922][T23558] dummy0: entered promiscuous mode
[ 2147.660912][T23559] br0: port 1(dummy0) entered blocking state
[ 2147.661151][T23559] br0: port 1(dummy0) entered forwarding state
[ 2149.658650][   T12] dummy0: left allmulticast mode
[ 2149.662186][   T12] dummy0: left promiscuous mode
[ 2149.662523][   T12] br0: port 1(dummy0) entered disabled state