[ 2283.776057][T22966] br0: port 1(dummy0) entered blocking state
[ 2283.776255][T22966] br0: port 1(dummy0) entered disabled state
[ 2283.776433][T22966] dummy0: entered allmulticast mode
[ 2283.787507][T22966] dummy0: entered promiscuous mode
[ 2283.820243][T22967] br0: port 1(dummy0) entered blocking state
[ 2283.820457][T22967] br0: port 1(dummy0) entered forwarding state
[ 2286.202258][   T71] dummy0: left allmulticast mode
[ 2286.202449][   T71] dummy0: left promiscuous mode
[ 2286.202692][   T71] br0: port 1(dummy0) entered disabled state