need python-netaddr in docker target containers for debops

.ci/debops_common_install.py

@@ -14,7 +14,6 @@ ci_lib.run_batches([
     ],
     [
         'docker pull %s' % (ci_lib.image_for_distro('debian'),),
-        'sudo apt-get update && sudo apt-get install --no-install-recommends python-netaddr',
     ],
 ])
 

.ci/debops_common_tests.py

@@ -64,6 +64,9 @@ with ci_lib.Fold('job_setup'):
     print('---')
     print()
 
+    print("Setting up python-netaddr...")
+    ci_lib.run('ansible all -i {} -m apt -a "name=python-netaddr state=present" --become'.format(inventory_path))
+
     # Now we have real host key checking, we need to turn it off
     os.environ['ANSIBLE_HOST_KEY_CHECKING'] = 'False'