[ 2505.413759] br0: port 1(dummy0) entered disabled state
[ 2505.467425] br0: port 1(dummy0) entered listening state
[ 2506.565592] br0: port 1(dummy0) entered learning state
[ 2506.624403] br0: port 1(dummy0) entered forwarding state
[ 2506.687224] br0: port 1(dummy0) entered forwarding state
[ 2521.846590] br0: port 1(dummy0) entered disabled state
[ 2521.868258] br0: port 1(dummy0) entered blocking state
[ 2521.868263] br0: port 1(dummy0) entered listening state
[ 2542.129943] br0: port 1(dummy0) entered learning state
[ 2562.609851] br0: port 1(dummy0) entered forwarding state
[ 2562.609862] br0: topology change detected, propagating
[ 2582.143787] br0: port 1(dummy0) entered disabled state
[ 2582.166331] device dummy0 left promiscuous mode
[ 2582.166351] br0: port 1(dummy0) entered disabled state