mfb: increase reference count, while assigning config to connection
mfb: increase reference count, while assigning config to connection

midgardproject/midgard-core,piotras/midgard-core,midgardproject/midgard-core,midgardproject/midgard-core,midgardproject/midgard-core,piotras/midgard-core,piotras/midgard-core,piotras/midgard-core