[ 2832.452405] br0: port 1(dummy0) entered blocking state
[ 2832.452418] br0: port 1(dummy0) entered disabled state
[ 2832.452532] device dummy0 entered promiscuous mode
[ 2832.500405] br0: port 1(dummy0) entered blocking state
[ 2832.500413] br0: port 1(dummy0) entered forwarding state
[ 2832.699557] br0: port 1(dummy0) entered disabled state
[ 2832.841255] device dummy0 left promiscuous mode
[ 2832.841357] br0: port 1(dummy0) entered disabled state