[ 2811.744565] br0: port 1(dummy0) entered disabled state
[ 2811.862095] br0: port 1(dummy0) entered listening state
[ 2813.094911] br0: port 1(dummy0) entered learning state
[ 2813.211843] br0: port 1(dummy0) entered forwarding state
[ 2813.329755] br0: port 1(dummy0) entered forwarding state
[ 2828.640336] br0: port 1(dummy0) entered disabled state
[ 2828.691505] br0: port 1(dummy0) entered blocking state
[ 2828.692191] br0: port 1(dummy0) entered listening state
[ 2849.200432] br0: port 1(dummy0) entered learning state
[ 2869.678941] br0: port 1(dummy0) entered forwarding state
[ 2869.679631] br0: topology change detected, propagating
[ 2889.258830] br0: port 1(dummy0) entered disabled state
[ 2889.305534] device dummy0 left promiscuous mode
[ 2889.306207] br0: port 1(dummy0) entered disabled state