[ 1855.565039][T13165] br0: port 1(dummy0) entered blocking state
[ 1855.565262][T13165] br0: port 1(dummy0) entered disabled state
[ 1855.565438][T13165] dummy0: entered allmulticast mode
[ 1855.566337][T13165] dummy0: entered promiscuous mode
[ 1855.593651][T13166] br0: port 1(dummy0) entered blocking state
[ 1855.593936][T13166] br0: port 1(dummy0) entered forwarding state
[ 1857.448175][   T72] dummy0: left allmulticast mode
[ 1857.448879][   T72] dummy0: left promiscuous mode
[ 1857.449143][   T72] br0: port 1(dummy0) entered disabled state