[ 488.104311] br0: port 1(dummy0) entered disabled state [ 488.261964] br0: port 1(dummy0) entered listening state [ 489.603121] br0: port 1(dummy0) entered learning state [ 489.749583] br0: port 1(dummy0) entered forwarding state [ 489.906492] br0: port 1(dummy0) entered forwarding state [ 505.317204] br0: port 1(dummy0) entered disabled state [ 505.375977] br0: port 1(dummy0) entered blocking state [ 505.375991] br0: port 1(dummy0) entered listening state [ 525.510273] br0: port 1(dummy0) entered learning state [ 545.991047] br0: port 1(dummy0) entered forwarding state [ 545.991064] br0: topology change detected, propagating [ 566.118838] br0: port 1(dummy0) entered disabled state [ 566.177749] device dummy0 left promiscuous mode [ 566.177792] br0: port 1(dummy0) entered disabled state