[ 2557.812678] br0: port 1(dummy0) entered disabled state [ 2557.888853] br0: port 1(dummy0) entered listening state [ 2559.059120] br0: port 1(dummy0) entered learning state [ 2559.136361] br0: port 1(dummy0) entered forwarding state [ 2559.213580] br0: port 1(dummy0) entered forwarding state [ 2574.453537] br0: port 1(dummy0) entered disabled state [ 2574.482855] br0: port 1(dummy0) entered blocking state [ 2574.482877] br0: port 1(dummy0) entered listening state [ 2594.998391] br0: port 1(dummy0) entered learning state [ 2615.479573] br0: port 1(dummy0) entered forwarding state [ 2615.479599] br0: topology change detected, propagating [ 2634.861421] br0: port 1(dummy0) entered disabled state [ 2634.889859] device dummy0 left promiscuous mode [ 2634.889902] br0: port 1(dummy0) entered disabled state