Infrastructure, repository-connectivity, rhel7and rhel8, blocking

Repository server rhsm-pulp.corp.redhat.com:80 is unreachable causing
test failures across RHEL7 and RHEL8 test environments.

1. https://beaker.engineering.redhat.com/jobs/11983277 : KT1REG-RHEL7HOST-x86_64
   Test Path: /kernel-tests/errata/Regression
   Failed Test: bz1158313:Setup
   Duration: 12s
   Result: FAIL (Assertions: 5 good, 3 bad)
   Impact: Cannot install docker package - test cannot execute

2. https://beaker.engineering.redhat.com/jobs/11991907 : KT1REG-RHEL8HOST-x86_64
   Test Path: /kernel-tests/errata/Regression
   Duration: 5823s (1h 37m)
   Result: FAIL (Phases: 178 good, 1 bad)
   Impact: Tests passed but journal.xml creation failed