CI: Add test command to show ip settings before build

build-yocto.yml

 ---
 
+.networkdebug: &networkdebug
+  #
+  - |-
+    set -x
+    ip address show || true
+    ping  -4 -c 2 www.google.com || true
+    ping  -6 -c 2 www.google.com || true
+    ping  -4 -c 1 git.seco.com || true # does not reply but shows the ip
+    curl -v https://git.seco.com || true
+    set +x
+
 .collect_srcrevs: &collect_srcrevs
   # write all package AUTOREVS to file
   - |-
@@ -83,6 +94,7 @@
     JOB_URL: "${CI_API_V4_URL}/projects/${CI_PROJECT_ID}/jobs/${CI_JOB_ID}/artifacts/"
     FNG_INSTALL_PATH: "${BUILDPATH}/${IMAGEPATH}/${INSTALLSCRIPT}"
   before_script:
+    - *networkdebug
     - !reference [.docker_check]
     - !reference [.setup_ssh]
     - !reference [.repo_checkout]