[ 2080.993503][T29468] br0: port 1(dummy0) entered blocking state
[ 2080.993796][T29468] br0: port 1(dummy0) entered disabled state
[ 2080.994068][T29468] dummy0: entered allmulticast mode
[ 2080.995049][T29468] dummy0: entered promiscuous mode
[ 2081.022252][T29469] br0: port 1(dummy0) entered blocking state
[ 2081.022625][T29469] br0: port 1(dummy0) entered forwarding state
[ 2083.544672][   T12] dummy0: left allmulticast mode
[ 2083.545574][   T12] dummy0: left promiscuous mode
[ 2083.546192][   T12] br0: port 1(dummy0) entered disabled state