[ 1952.781028][T27500] br0: port 1(dummy0) entered blocking state
[ 1952.781215][T27500] br0: port 1(dummy0) entered disabled state
[ 1952.781389][T27500] dummy0: entered allmulticast mode
[ 1952.782273][T27500] dummy0: entered promiscuous mode
[ 1952.810220][T27501] br0: port 1(dummy0) entered blocking state
[ 1952.810405][T27501] br0: port 1(dummy0) entered forwarding state
[ 1954.540038][   T72] dummy0: left allmulticast mode
[ 1954.540192][   T72] dummy0: left promiscuous mode
[ 1954.540398][   T72] br0: port 1(dummy0) entered disabled state