Basically:
- Switch to a different conf (you cannot discard / reload an active conf)
- Discard it
- Reload it into a name
- Use that name
vcl.use boot
vcl.discard reload01
vcl.load reload01 /etc/varnish/default.vcl
vcl.use reload01
vcl.list
Basically:
vcl.use boot
vcl.discard reload01
vcl.load reload01 /etc/varnish/default.vcl
vcl.use reload01
vcl.list