'tcp://' may be omitted on interfaces
add missing 'tcp://' earlier in code, so we do not need to check
for missing 'tcp://' again.
Change-Id: Ie9b4dbd168aebdb6edfe71dbd2cfc25e9229fe67
Reviewed-on: https://forge.frm2.tum.de/review/c/secop/frappy/+/35321
Reviewed-by: Georg Brandl <g.brandl@fz-juelich.de>
Reviewed-by: Markus Zolliker <markus.zolliker@psi.ch>
Tested-by: Jenkins Automated Tests <pedersen+jenkins@frm2.tum.de>