Catch 404 Exception from TS (!473) · Merge requests · GitLab.org / cells / HTTP Router · GitLab

What

This MR adds control of 404 exceptions coming from Topology Service.

Why

As per: gitlab-com/gl-infra/tenant-scale/cells-infrastructure/team#27 (comment 2318570682)

Relates to: gitlab-com/gl-infra/tenant-scale/cells-infrastructure/team#27 (closed)