Comment # 11 on bug 996203 from Per Jessen

Have just tried reloading apache on mysogo - SSL certificate renewal:

Nov 04 08:28:28 mysogo systemd[1]: Reloading The Apache Webserver.
Nov 04 08:28:28 mysogo systemd[26320]: Failed at step NAMESPACE spawning
/usr/sbin/start_apache2: Operation not permitted
Nov 04 08:28:28 mysogo systemd[1]: apache2.service: control process exited,
code=exited status=226
Nov 04 08:28:28 mysogo systemd[1]: Reload failed for The Apache Webserver.
Nov 04 08:28:36 mysogo systemd[1]: Reloading The Apache Webserver.
Nov 04 08:28:36 mysogo systemd[26325]: Failed at step NAMESPACE spawning
/usr/sbin/start_apache2: Operation not permitted
Nov 04 08:28:36 mysogo systemd[1]: apache2.service: control process exited,
code=exited status=226
Nov 04 08:28:36 mysogo systemd[1]: Reload failed for The Apache Webserver.

# systemctl cat apache2
# /usr/lib/systemd/system/apache2.service
[Unit]
Description=The Apache Webserver
Wants=network.target nss-lookup.target
After=network.target nss-lookup.target
Before=getty@tty1.service plymouth-quit.service xdm.service

[Service]
Type=notify
PrivateTmp=true
EnvironmentFile=/etc/sysconfig/apache2
ExecStart=/usr/sbin/start_apache2 -D SYSTEMD -DFOREGROUND -k start
ExecReload=/usr/sbin/start_apache2 -D SYSTEMD -DFOREGROUND -k graceful
ExecStop=/usr/sbin/start_apache2 -D SYSTEMD -DFOREGROUND -k graceful-stop

[Install]
WantedBy=multi-user.target
Alias=httpd.service

# /etc/systemd/system/apache2.service.d/extra.conf
[Service]
KillMode=mixed