[ 2401.102509] br0: port 1(dummy0) entered disabled state [ 2401.206624] br0: port 1(dummy0) entered listening state [ 2402.377584] br0: port 1(dummy0) entered learning state [ 2402.477091] br0: port 1(dummy0) entered forwarding state [ 2402.577869] br0: port 1(dummy0) entered forwarding state [ 2417.857051] br0: port 1(dummy0) entered disabled state [ 2417.895269] br0: port 1(dummy0) entered blocking state [ 2417.895638] br0: port 1(dummy0) entered listening state [ 2438.485020] br0: port 1(dummy0) entered learning state [ 2458.965079] br0: port 1(dummy0) entered forwarding state [ 2458.965628] br0: topology change detected, propagating [ 2478.383807] br0: port 1(dummy0) entered disabled state [ 2478.421569] device dummy0 left promiscuous mode [ 2478.421924] br0: port 1(dummy0) entered disabled state