[ 456.383308] br0: port 1(dummy0) entered disabled state [ 456.581871] br0: port 1(dummy0) entered listening state [ 457.879335] br0: port 1(dummy0) entered learning state [ 458.057101] br0: port 1(dummy0) entered forwarding state [ 458.252209] br0: port 1(dummy0) entered forwarding state [ 473.732146] br0: port 1(dummy0) entered disabled state [ 473.789966] br0: port 1(dummy0) entered blocking state [ 473.793330] br0: port 1(dummy0) entered listening state [ 494.093946] br0: port 1(dummy0) entered learning state [ 514.574230] br0: port 1(dummy0) entered forwarding state [ 514.578600] br0: topology change detected, propagating [ 534.665524] br0: port 1(dummy0) entered disabled state [ 534.723777] device dummy0 left promiscuous mode [ 534.727336] br0: port 1(dummy0) entered disabled state