[ 2799.425448] br0: port 1(dummy0) entered disabled state
[ 2799.579695] br0: port 1(dummy0) entered listening state
[ 2801.001293] br0: port 1(dummy0) entered learning state
[ 2801.120660] br0: port 1(dummy0) entered forwarding state
[ 2801.194807] br0: port 1(dummy0) entered forwarding state
[ 2816.694280] br0: port 1(dummy0) entered disabled state
[ 2816.904717] br0: port 1(dummy0) entered blocking state
[ 2816.904732] br0: port 1(dummy0) entered listening state
[ 2837.177506] br0: port 1(dummy0) entered learning state
[ 2857.658326] br0: port 1(dummy0) entered forwarding state
[ 2857.658342] br0: topology change detected, propagating
[ 2878.639118] br0: port 1(dummy0) entered disabled state
[ 2878.763100] device dummy0 left promiscuous mode
[ 2878.763146] br0: port 1(dummy0) entered disabled state