Docker fails to run with the http proxy variable

Running with gitlab-runner 16.2.0 (v16.2.0)
  on ovni-docker_hut_c1aed82ba748 GzUbRYik, system ID: s_758bb5892dac
Preparing the "docker" executor
ERROR: Failed to remove network for build
ERROR: Preparation failed: proxy: unknown scheme: http
Will be retried in 3s ...
ERROR: Failed to remove network for build
ERROR: Preparation failed: proxy: unknown scheme: http
Will be retried in 3s ...
ERROR: Failed to remove network for build
ERROR: Preparation failed: proxy: unknown scheme: http
Will be retried in 3s ...
ERROR: Job failed (system failure): proxy: unknown scheme: http