[ 2086.176712][T31912] br0: port 1(dummy0) entered blocking state
[ 2086.176935][T31912] br0: port 1(dummy0) entered disabled state
[ 2086.177603][T31912] dummy0: entered allmulticast mode
[ 2086.178538][T31912] dummy0: entered promiscuous mode
[ 2086.203154][T31913] br0: port 1(dummy0) entered blocking state
[ 2086.203358][T31913] br0: port 1(dummy0) entered forwarding state
[ 2088.125644][   T12] dummy0: left allmulticast mode
[ 2088.126318][   T12] dummy0: left promiscuous mode
[ 2088.126554][   T12] br0: port 1(dummy0) entered disabled state