Packstack install fails with failure to start httpd.service

Issue

• Failure to install Red Hat OpenStack 8.0 with packstack

• httpd.service fails to start during packstack deployment

  ERROR : Error appeared during Puppet run: 10.0.0.3_horizon.pp
  Error: /Stage[main]/Apache::Service/Service[httpd]: Failed to call refresh: Could not restart Service[httpd]: Execution of '/usr/bin/systemctl restart httpd' returned 1: Job for httpd.service failed because the control process exited with error code. See "systemctl status httpd.service" and "journalctl -xe" for details
  

  [Thu Apr 21 21:12:54.940720 2016] [core:crit] [pid 30381] (22)Invalid argument: AH00069: make_sock: for address [::]:443, apr_socket_opt_set: (IPV6_V6ONLY)
  (98)Address already in use: AH00072: make_sock: could not bind to address [::]:443
  (98)Address already in use: AH00072: make_sock: could not bind to address 0.0.0.0:443
  [Thu Apr 21 21:12:54.940746 2016] [mpm_prefork:alert] [pid 30381] no listening sockets available, shutting down
  [Thu Apr 21 21:12:54.940747 2016] [:emerg] [pid 30381] AH00019: Unable to open logs, exiting