[ 477.219774] br0: port 1(dummy0) entered disabled state [ 477.368869] br0: port 1(dummy0) entered listening state [ 478.689402] br0: port 1(dummy0) entered learning state [ 478.838755] br0: port 1(dummy0) entered forwarding state [ 478.988743] br0: port 1(dummy0) entered forwarding state [ 494.381743] br0: port 1(dummy0) entered disabled state [ 494.439767] br0: port 1(dummy0) entered blocking state [ 494.439778] br0: port 1(dummy0) entered listening state [ 514.500513] br0: port 1(dummy0) entered learning state [ 534.981137] br0: port 1(dummy0) entered forwarding state [ 534.981159] br0: topology change detected, propagating [ 555.132640] br0: port 1(dummy0) entered disabled state [ 555.189940] device dummy0 left promiscuous mode [ 555.189978] br0: port 1(dummy0) entered disabled state