[ 2104.841390][T20192] br0: port 1(dummy0) entered blocking state
[ 2104.841576][T20192] br0: port 1(dummy0) entered disabled state
[ 2104.841725][T20192] dummy0: entered allmulticast mode
[ 2104.842762][T20192] dummy0: entered promiscuous mode
[ 2104.866740][T20193] br0: port 1(dummy0) entered blocking state
[ 2104.867124][T20193] br0: port 1(dummy0) entered forwarding state
[ 2106.919122][   T69] dummy0: left allmulticast mode
[ 2106.919859][   T69] dummy0: left promiscuous mode
[ 2106.920091][   T69] br0: port 1(dummy0) entered disabled state