[ 2320.946670][T12370] br0: port 1(dummy0) entered blocking state
[ 2320.947057][T12370] br0: port 1(dummy0) entered disabled state
[ 2320.947385][T12370] dummy0: entered allmulticast mode
[ 2320.948428][T12370] dummy0: entered promiscuous mode
[ 2320.988741][T12371] br0: port 1(dummy0) entered blocking state
[ 2320.989301][T12371] br0: port 1(dummy0) entered forwarding state
[ 2323.500727][   T71] dummy0: left allmulticast mode
[ 2323.501018][   T71] dummy0: left promiscuous mode
[ 2323.501327][   T71] br0: port 1(dummy0) entered disabled state