[ 2432.955435][T16688] br0: port 1(dummy0) entered blocking state
[ 2432.955656][T16688] br0: port 1(dummy0) entered disabled state
[ 2432.955860][T16688] dummy0: entered allmulticast mode
[ 2432.956766][T16688] dummy0: entered promiscuous mode
[ 2432.982429][T16689] br0: port 1(dummy0) entered blocking state
[ 2432.982690][T16689] br0: port 1(dummy0) entered forwarding state
[ 2435.216829][   T67] dummy0: left allmulticast mode
[ 2435.217679][   T67] dummy0: left promiscuous mode
[ 2435.217950][   T67] br0: port 1(dummy0) entered disabled state