[ 2570.245902] br0: port 1(dummy0) entered blocking state [ 2570.248087] br0: port 1(dummy0) entered disabled state [ 2570.252036] device dummy0 entered promiscuous mode [ 2570.318562] br0: port 1(dummy0) entered blocking state [ 2570.319171] br0: port 1(dummy0) entered forwarding state [ 2570.578000] br0: port 1(dummy0) entered disabled state [ 2570.701595] device dummy0 left promiscuous mode [ 2570.702212] br0: port 1(dummy0) entered disabled state