[ 380.775280] br0: port 1(dummy0) entered disabled state [ 381.166357] br0: port 1(dummy0) entered listening state [ 382.708057] br0: port 1(dummy0) entered learning state [ 383.031832] br0: port 1(dummy0) entered forwarding state [ 383.360279] br0: port 1(dummy0) entered forwarding state [ 399.322635] br0: port 1(dummy0) entered disabled state [ 399.452013] br0: port 1(dummy0) entered blocking state [ 399.453284] br0: port 1(dummy0) entered listening state [ 419.766555] br0: port 1(dummy0) entered learning state [ 440.246423] br0: port 1(dummy0) entered forwarding state [ 440.248129] br0: topology change detected, propagating [ 461.522539] br0: port 1(dummy0) entered disabled state [ 461.704044] device dummy0 left promiscuous mode [ 461.705323] br0: port 1(dummy0) entered disabled state