[ 1951.417393][T21190] br0: port 1(dummy0) entered blocking state
[ 1951.417583][T21190] br0: port 1(dummy0) entered disabled state
[ 1951.417750][T21190] dummy0: entered allmulticast mode
[ 1951.425115][T21190] dummy0: entered promiscuous mode
[ 1951.447264][T21191] br0: port 1(dummy0) entered blocking state
[ 1951.448065][T21191] br0: port 1(dummy0) entered forwarding state
[ 1953.409636][   T69] dummy0: left allmulticast mode
[ 1953.412547][   T69] dummy0: left promiscuous mode
[ 1953.412849][   T69] br0: port 1(dummy0) entered disabled state