Varnish won’t start with unused backends defined

Unused backend somebackend, defined:

Is solved with

-p vcc_err_unref=off

In CentOS / RHEL you can add that to


You’d also have to pass that option if you’re testing your vcl config

varnishd -p vcc_err_unref=off -C -f /etc/varnish/default.vcl

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