1. A method of multi-connectivity handling in a communication system, the method being performed in a first network node device operating in the communication system, the method comprising: receiving, from a first communication device operating in the communication system, a data protocol packet comprising a first identifier identifying a first data protocol processing context of the data protocol packet and a second identifier identifying a second communication device as destination node for the data protocol packet; determining that the data protocol packet is destined to the second communication device based on the second identifier; modifying the data protocol packet to comprise an indicator that indicates the data protocol packet as one of an uplink data protocol packet or as a downlink data protocol packet; and forwarding the modified data protocol packet to the second communication device.