[ 2176.596181][T22360] br0: port 1(dummy0) entered blocking state
[ 2176.596555][T22360] br0: port 1(dummy0) entered disabled state
[ 2176.596881][T22360] dummy0: entered allmulticast mode
[ 2176.597932][T22360] dummy0: entered promiscuous mode
[ 2176.624637][T22361] br0: port 1(dummy0) entered blocking state
[ 2176.624939][T22361] br0: port 1(dummy0) entered forwarding state
[ 2178.958413][   T12] dummy0: left allmulticast mode
[ 2178.958711][   T12] dummy0: left promiscuous mode
[ 2178.959027][   T12] br0: port 1(dummy0) entered disabled state