[ 1824.093233][T12612] br0: port 1(dummy0) entered blocking state
[ 1824.093426][T12612] br0: port 1(dummy0) entered disabled state
[ 1824.093588][T12612] dummy0: entered allmulticast mode
[ 1824.094463][T12612] dummy0: entered promiscuous mode
[ 1824.128339][T12613] br0: port 1(dummy0) entered blocking state
[ 1824.128680][T12613] br0: port 1(dummy0) entered forwarding state
[ 1825.971847][   T12] dummy0: left allmulticast mode
[ 1825.972465][   T12] dummy0: left promiscuous mode
[ 1825.972695][   T12] br0: port 1(dummy0) entered disabled state