[ 2206.815144][T22108] br0: port 1(dummy0) entered blocking state
[ 2206.815330][T22108] br0: port 1(dummy0) entered disabled state
[ 2206.815496][T22108] dummy0: entered allmulticast mode
[ 2206.816439][T22108] dummy0: entered promiscuous mode
[ 2206.840031][T22109] br0: port 1(dummy0) entered blocking state
[ 2206.840411][T22109] br0: port 1(dummy0) entered forwarding state
[ 2208.873277][   T68] dummy0: left allmulticast mode
[ 2208.874091][   T68] dummy0: left promiscuous mode
[ 2208.874401][   T68] br0: port 1(dummy0) entered disabled state