[ 1885.347625][T12428] br0: port 1(dummy0) entered blocking state
[ 1885.347813][T12428] br0: port 1(dummy0) entered disabled state
[ 1885.347988][T12428] dummy0: entered allmulticast mode
[ 1885.348992][T12428] dummy0: entered promiscuous mode
[ 1885.385794][T12429] br0: port 1(dummy0) entered blocking state
[ 1885.386520][T12429] br0: port 1(dummy0) entered forwarding state
[ 1887.318113][   T71] dummy0: left allmulticast mode
[ 1887.318803][   T71] dummy0: left promiscuous mode
[ 1887.319258][   T71] br0: port 1(dummy0) entered disabled state