check_ethernet: add fallback to any recently seen neighbor
Jetstream mesh devices do not have a default gateway before
the mesh is established. This was causing the check_ethernet
hook to fail if there was no active SSH connection to the DUT.
This adds a fallback to ping any recently seen neighbor.
BUG=b:74075854
TEST=Checked fallback on devices with no default gateway and no
active ssh connection.
Change-Id: I36f416e10d9d5e0f2db71c9b67210ea210b184c6
Reviewed-on: https://chromium-review.googlesource.com/1033999
Commit-Ready: Laurence Goodby <lgoodby@chromium.org>
Tested-by: Laurence Goodby <lgoodby@chromium.org>
Reviewed-by: Richard Barnette <jrbarnette@chromium.org>
Reviewed-by: Grant Grundler <grundler@chromium.org>
1 file changed
