[ 2055.677893][T12357] br0: port 1(dummy0) entered blocking state
[ 2055.678077][T12357] br0: port 1(dummy0) entered disabled state
[ 2055.678245][T12357] dummy0: entered allmulticast mode
[ 2055.679115][T12357] dummy0: entered promiscuous mode
[ 2055.711589][T12358] br0: port 1(dummy0) entered blocking state
[ 2055.711779][T12358] br0: port 1(dummy0) entered forwarding state
[ 2058.018027][   T70] dummy0: left allmulticast mode
[ 2058.018235][   T70] dummy0: left promiscuous mode
[ 2058.018469][   T70] br0: port 1(dummy0) entered disabled state