[ 1908.955633][T22745] br0: port 1(dummy0) entered blocking state
[ 1908.955816][T22745] br0: port 1(dummy0) entered disabled state
[ 1908.955976][T22745] dummy0: entered allmulticast mode
[ 1908.957834][T22745] dummy0: entered promiscuous mode
[ 1908.994441][T22746] br0: port 1(dummy0) entered blocking state
[ 1908.994715][T22746] br0: port 1(dummy0) entered forwarding state
[ 1910.985608][   T67] dummy0: left allmulticast mode
[ 1910.986489][   T67] dummy0: left promiscuous mode
[ 1910.986727][   T67] br0: port 1(dummy0) entered disabled state