[ 2509.079091] br0: port 1(dummy0) entered disabled state
[ 2509.213469] br0: port 1(dummy0) entered listening state
[ 2510.479696] br0: port 1(dummy0) entered learning state
[ 2510.613352] br0: port 1(dummy0) entered forwarding state
[ 2510.747737] br0: port 1(dummy0) entered forwarding state
[ 2526.096797] br0: port 1(dummy0) entered disabled state
[ 2526.175750] br0: port 1(dummy0) entered blocking state
[ 2526.176444] br0: port 1(dummy0) entered listening state
[ 2546.369211] br0: port 1(dummy0) entered learning state
[ 2566.848492] br0: port 1(dummy0) entered forwarding state
[ 2566.849677] br0: topology change detected, propagating
[ 2586.789362] br0: port 1(dummy0) entered disabled state
[ 2586.872573] device dummy0 left promiscuous mode
[ 2586.873203] br0: port 1(dummy0) entered disabled state