[ 2216.737596][T13381] br0: port 1(dummy0) entered blocking state
[ 2216.737910][T13381] br0: port 1(dummy0) entered disabled state
[ 2216.738191][T13381] dummy0: entered allmulticast mode
[ 2216.739624][T13381] dummy0: entered promiscuous mode
[ 2216.771367][T13382] br0: port 1(dummy0) entered blocking state
[ 2216.772136][T13382] br0: port 1(dummy0) entered forwarding state
[ 2219.186450][   T64] dummy0: left allmulticast mode
[ 2219.187545][   T64] dummy0: left promiscuous mode
[ 2219.187867][   T64] br0: port 1(dummy0) entered disabled state