[ 1867.807569][T12076] br0: port 1(dummy0) entered blocking state
[ 1867.807756][T12076] br0: port 1(dummy0) entered disabled state
[ 1867.807915][T12076] dummy0: entered allmulticast mode
[ 1867.808773][T12076] dummy0: entered promiscuous mode
[ 1867.837050][T12077] br0: port 1(dummy0) entered blocking state
[ 1867.837235][T12077] br0: port 1(dummy0) entered forwarding state
[ 1869.734081][   T69] dummy0: left allmulticast mode
[ 1869.734272][   T69] dummy0: left promiscuous mode
[ 1869.734498][   T69] br0: port 1(dummy0) entered disabled state