[ 2186.491496][T24149] br0: port 1(dummy0) entered blocking state
[ 2186.491701][T24149] br0: port 1(dummy0) entered disabled state
[ 2186.491863][T24149] dummy0: entered allmulticast mode
[ 2186.492833][T24149] dummy0: entered promiscuous mode
[ 2186.529181][T24150] br0: port 1(dummy0) entered blocking state
[ 2186.529442][T24150] br0: port 1(dummy0) entered forwarding state
[ 2188.740578][   T12] dummy0: left allmulticast mode
[ 2188.741464][   T12] dummy0: left promiscuous mode
[ 2188.741701][   T12] br0: port 1(dummy0) entered disabled state