ipwrapper Monitor: Move to using detailed oneline

Change the ip monitor command to use the more machine readable
"ip -d -o monitor link" (one line per link event).

Change-Id: I1c593467d328c39654eae723126f889b51ff39d2
Signed-off-by: Antoni S. Puimedon <asegurap@redhat.com>
Reviewed-on: http://gerrit.ovirt.org/21411
Reviewed-by: Dan Kenigsberg <danken@redhat.com>
Tested-by: Dan Kenigsberg <danken@redhat.com>