Non-NSH packets going to SF are dropped

SFC service is the one with the biggest priority in the ingress interface of a SF. That means the packet going to that SF will first be evaluated by the SFC pipeline. If it should not go into that pipeline, the packet will return to the service dispatcher table and be processed by the following service by priority. However, packets are being dropped in the SFC pipeline instead of being returned to the dispatcher table if they are not related to SFC (non-NSH packets). This should change because for example, as soon as a RSP is created, we cannot ping or SSH the SF anymore.