[ 2068.087371][T14015] br0: port 1(dummy0) entered blocking state
[ 2068.087567][T14015] br0: port 1(dummy0) entered disabled state
[ 2068.087737][T14015] dummy0: entered allmulticast mode
[ 2068.088596][T14015] dummy0: entered promiscuous mode
[ 2068.124360][T14016] br0: port 1(dummy0) entered blocking state
[ 2068.124925][T14016] br0: port 1(dummy0) entered forwarding state
[ 2070.056258][   T12] dummy0: left allmulticast mode
[ 2070.057215][   T12] dummy0: left promiscuous mode
[ 2070.057454][   T12] br0: port 1(dummy0) entered disabled state