[ 2175.983152][T25856] br0: port 1(dummy0) entered blocking state
[ 2175.983343][T25856] br0: port 1(dummy0) entered disabled state
[ 2175.983511][T25856] dummy0: entered allmulticast mode
[ 2175.984543][T25856] dummy0: entered promiscuous mode
[ 2176.015537][T25857] br0: port 1(dummy0) entered blocking state
[ 2176.015831][T25857] br0: port 1(dummy0) entered forwarding state
[ 2178.383738][   T70] dummy0: left allmulticast mode
[ 2178.384619][   T70] dummy0: left promiscuous mode
[ 2178.384851][   T70] br0: port 1(dummy0) entered disabled state