run-gnu-tests-smack-ci.sh: Avoid another network error

[oech3]

No description provided.

[oech3]

Found 4 SMACK/ROOTFS tests
Running: df/skip-rootfs.sh
  FAIL: df/skip-rootfs.sh
Running: id/smack.sh
  FAIL: id/smack.sh
Running: mkdir/smack-no-root.sh
  FAIL: mkdir/smack-no-root.sh
Running: mkdir/smack-root.sh
  FAIL: mkdir/smack-root.sh

[github-actions]

GNU testsuite comparison:

GNU test failed: tests/df/skip-rootfs. tests/df/skip-rootfs is passing on 'main'. Maybe you have to rebase?
GNU test failed: tests/id/smack. tests/id/smack is passing on 'main'. Maybe you have to rebase?
GNU test failed: tests/mkdir/smack-no-root. tests/mkdir/smack-no-root is passing on 'main'. Maybe you have to rebase?
GNU test failed: tests/mkdir/smack-root. tests/mkdir/smack-root is passing on 'main'. Maybe you have to rebase?
Skip an intermittent issue tests/date/date-locale-hour (fails in this run but passes in the 'main' branch)
Skipping an intermittent issue tests/pr/bounded-memory (passes in this run but fails in the 'main' branch)
Note: The gnu test tests/dd/no-allocate is now being skipped but was previously passing.