steps: delete another link during reboot

'bond-bridge' is used by test @bridge_bond_autoconnect_nested_slaves.
5 jobs for !849 with bg/reboot in 6 minutes and 48 seconds
latest detached
Status Name Job ID Coverage
  Test
passed TestResults #14471938
manual

00:05:19

passed UnitTests #14471937

00:01:28

 
  External
failed https://desktopqe-jenkins.rhev-ci-vms.eng.rdu2.redhat.com/job/beaker-NetworkManager-gitlab-trigger-test-upstream/1921/

passed https://jenkins-networkmanager.apps.ocp.ci.centos.org/job/NetworkManager-test-mr/736/

06:17:02

failed https://desktopqe-jenkins.rhev-ci-vms.eng.rdu2.redhat.com/job/beaker-NetworkManager-gitlab-trigger-test-upstream/1921/

00:02:16