[ 2407.849594][T18861] br0: port 1(dummy0) entered blocking state
[ 2407.849919][T18861] br0: port 1(dummy0) entered disabled state
[ 2407.850200][T18861] dummy0: entered allmulticast mode
[ 2407.851216][T18861] dummy0: entered promiscuous mode
[ 2407.889134][T18862] br0: port 1(dummy0) entered blocking state
[ 2407.889458][T18862] br0: port 1(dummy0) entered forwarding state
[ 2410.404577][   T12] dummy0: left allmulticast mode
[ 2410.404950][   T12] dummy0: left promiscuous mode
[ 2410.405300][   T12] br0: port 1(dummy0) entered disabled state