[ 2093.369414][T22318] br0: port 1(dummy0) entered blocking state
[ 2093.369640][T22318] br0: port 1(dummy0) entered disabled state
[ 2093.369852][T22318] dummy0: entered allmulticast mode
[ 2093.371992][T22318] dummy0: entered promiscuous mode
[ 2093.401006][T22319] br0: port 1(dummy0) entered blocking state
[ 2093.401453][T22319] br0: port 1(dummy0) entered forwarding state
[ 2095.697496][   T12] dummy0: left allmulticast mode
[ 2095.697826][   T12] dummy0: left promiscuous mode
[ 2095.698054][   T12] br0: port 1(dummy0) entered disabled state