vty tests: more attempts to resolve 'Broken Pipe' error (3)

Change-Id: Iea5329b6b92afc4088520d7420953106f04f8e1c
tree: 9a57ba583287702313808cecb0fa804c94fe7479
  1. contrib/
  2. debian/
  3. openbsc/
  4. .gitignore
  5. .gitreview
  6. .mailmap