[ 2060.720874][T12006] br0: port 1(dummy0) entered blocking state
[ 2060.721071][T12006] br0: port 1(dummy0) entered disabled state
[ 2060.721266][T12006] dummy0: entered allmulticast mode
[ 2060.722137][T12006] dummy0: entered promiscuous mode
[ 2060.751283][T12007] br0: port 1(dummy0) entered blocking state
[ 2060.751497][T12007] br0: port 1(dummy0) entered forwarding state
[ 2063.104268][   T70] dummy0: left allmulticast mode
[ 2063.104496][   T70] dummy0: left promiscuous mode
[ 2063.104769][   T70] br0: port 1(dummy0) entered disabled state