Fixes #16986. Clarifies that users must enable the socket module in ebpf.d.conf before configuring it in ebpf.d/network.conf. This resolves the confusion where the plugin was looking for ebpf.d.conf with the socket module enabled.

Summary by cubic

Clarifies eBPF socket setup: you must enable the socket module in ebpf.d.conf before configuring ebpf.d/network.conf. Adds a note to set socket = yes under [ebpf programs] to prevent misconfiguration and related plugin errors.

^{Written for commit 9f052f1. Summary will update on new commits.}