if hostname is an absolute path, strip alway leading slash

Signed-off-by: Nico Schottelius <nico@bento.schottelius.org>
++changes(3.0.1)

Signed-off-by: Nico Schottelius <nico@bento.schottelius.org>
Merge branch 'master' into preos
various updates for preos

Signed-off-by: Nico Schottelius <nico@bento.schottelius.org>