[ 2196.387076][T31274] br0: port 1(dummy0) entered blocking state
[ 2196.387276][T31274] br0: port 1(dummy0) entered disabled state
[ 2196.387435][T31274] dummy0: entered allmulticast mode
[ 2196.388276][T31274] dummy0: entered promiscuous mode
[ 2196.411629][T31275] br0: port 1(dummy0) entered blocking state
[ 2196.411846][T31275] br0: port 1(dummy0) entered forwarding state
[ 2198.368264][   T68] dummy0: left allmulticast mode
[ 2198.369139][   T68] dummy0: left promiscuous mode
[ 2198.369414][   T68] br0: port 1(dummy0) entered disabled state