It was an iptables problem https://gitlab.com/gitlab-com/gl-infra/production/issues/1421 https://gitlab.com/gitlab-com/gl-infra/production/issues/142... The r

It was an iptables problem https://gitlab.com/gitlab-com/gl-infra/production/issues/1421 https://gitlab.com/gitlab-com/gl-infra/production/issues/142... The rollout of new iptables rules blocked database server connections