[ 1904.404442][T29608] br0: port 1(dummy0) entered blocking state
[ 1904.404699][T29608] br0: port 1(dummy0) entered disabled state
[ 1904.404858][T29608] dummy0: entered allmulticast mode
[ 1904.406056][T29608] dummy0: entered promiscuous mode
[ 1904.432625][T29609] br0: port 1(dummy0) entered blocking state
[ 1904.432888][T29609] br0: port 1(dummy0) entered forwarding state
[ 1906.406095][   T67] dummy0: left allmulticast mode
[ 1906.407003][   T67] dummy0: left promiscuous mode
[ 1906.407248][   T67] br0: port 1(dummy0) entered disabled state