[ 1567.000140] br0: port 1(dummy0) entered blocking state
[ 1567.000189] br0: port 1(dummy0) entered disabled state
[ 1567.000221] dummy0: entered allmulticast mode
[ 1567.000278] dummy0: entered promiscuous mode
[ 1567.002835] br0: port 1(dummy0) entered blocking state
[ 1567.002872] br0: port 1(dummy0) entered forwarding state
[ 1567.192603] dummy0: left allmulticast mode
[ 1567.192646] dummy0: left promiscuous mode
[ 1567.192677] br0: port 1(dummy0) entered disabled state