pkg/endpoint: misc. comments and log message cleanup
pkg/endpoint: misc. comments and log message cleanup

Clearly specify that localhost egress access is a special case in the datapath when utilizing
Endpoint.checkEgressAccess(). Clean up log messages.

Signed-off by: Ian Vernon <ian@cilium.io>

eloycoto/cilium,tklauser/cilium,scanf/cilium,tgraf/cilium,michi-covalent/cilium,eloycoto/cilium,scanf/cilium,cilium/cilium,tklauser/cilium,cilium/cilium,cilium-team/cilium,cilium/cilium,tgraf/cilium,scanf/cilium,eloycoto/cilium,cilium/cilium,michi-covalent/cilium,scanf/cilium,michi-covalent/cilium,scanf/cilium,cilium-team/cilium,tgraf/cilium,eloycoto/cilium,michi-covalent/cilium,tklauser/cilium,tgraf/cilium,scanf/cilium,tgraf/cilium,michi-covalent/cilium,eloycoto/cilium,cilium/cilium,eloycoto/cilium,tklauser/cilium,eloycoto/cilium,scanf/cilium,tklauser/cilium,tgraf/cilium