Pergamon being the monitoring server (icinga).

Note:
Implementation wise, this unfolds the current default routes in the yaml.
This also adds one route to the staging network.

This one route was not added as default route since the staging network should
stay separated from the production network.

Related T1785

1. bin/octocatalog pergamon

diff: adds the one new route to the staging network on pergamon

2. bin/octocatalog <another-node> (for example worker01)

diff: nothing