[ 2104.742375][T25855] br0: port 1(dummy0) entered blocking state
[ 2104.742936][T25855] br0: port 1(dummy0) entered disabled state
[ 2104.743149][T25855] dummy0: entered allmulticast mode
[ 2104.744093][T25855] dummy0: entered promiscuous mode
[ 2104.768150][T25856] br0: port 1(dummy0) entered blocking state
[ 2104.768740][T25856] br0: port 1(dummy0) entered forwarding state
[ 2106.715069][   T12] dummy0: left allmulticast mode
[ 2106.716060][   T12] dummy0: left promiscuous mode
[ 2106.716344][   T12] br0: port 1(dummy0) entered disabled state