daemon: require remote-node-identity for egress gw
daemon: require remote-node-identity for egress gw

Egress gateway datapath code depends on REMOTE_NODE_ID to distinguish
between cluster-local and cluster-egress traffic.

Currently, egress gateway depends on BPF masquerade, which also requires
remote-node-identity. However, this might change in the future so we add
a check for the above.

Signed-off-by: Kornilios Kourtis <fbd1fdd48e316a736711a3b30106195507321a09@isovalent.com>

cilium/cilium,michi-covalent/cilium,michi-covalent/cilium,tklauser/cilium,cilium/cilium,michi-covalent/cilium,cilium/cilium,cilium/cilium,michi-covalent/cilium,tklauser/cilium,michi-covalent/cilium,tklauser/cilium,cilium/cilium,tklauser/cilium,tklauser/cilium