Use dedicated nodepool-sl network in opentech env
Use dedicated nodepool-sl network in opentech env

Don't reuse the shared network. We don't share internal IPs when dealing
with opentech so there's no point using the shared network and we should
use a project internal network.

Signed-off-by: Jamie Lennox <1b9801e8e46f6bd96338b24e58c84c4f37762fc2@gmail.com>

jamielennox/hoist,BonnyCI/hoist,SpamapS/hoist,BonnyCI/hoist,SpamapS/hoist,jamielennox/hoist