[ 2073.824443][T22516] br0: port 1(dummy0) entered blocking state
[ 2073.824648][T22516] br0: port 1(dummy0) entered disabled state
[ 2073.824811][T22516] dummy0: entered allmulticast mode
[ 2073.825753][T22516] dummy0: entered promiscuous mode
[ 2073.847385][T22517] br0: port 1(dummy0) entered blocking state
[ 2073.847625][T22517] br0: port 1(dummy0) entered forwarding state
[ 2075.829301][   T71] dummy0: left allmulticast mode
[ 2075.830094][   T71] dummy0: left promiscuous mode
[ 2075.830317][   T71] br0: port 1(dummy0) entered disabled state