[ 2195.128857][T12177] br0: port 1(dummy0) entered blocking state
[ 2195.129083][T12177] br0: port 1(dummy0) entered disabled state
[ 2195.129293][T12177] dummy0: entered allmulticast mode
[ 2195.130492][T12177] dummy0: entered promiscuous mode
[ 2195.154189][T12178] br0: port 1(dummy0) entered blocking state
[ 2195.154357][T12178] br0: port 1(dummy0) entered forwarding state
[ 2197.374502][   T70] dummy0: left allmulticast mode
[ 2197.374716][   T70] dummy0: left promiscuous mode
[ 2197.374964][   T70] br0: port 1(dummy0) entered disabled state