%{Debug}x log format is desupported in varnishncsa

See varnish-cache commits
* 2da6c5e539f8f858c446812d30f00de600ecc3e4
* 63807dd22725653e23c20071a9eb958642413f36

src/test/ncsa.sh

@@ -43,9 +43,10 @@ $NCSA -r $INPUT | sed 's/-//g' > $NCSA_LOG
 diffem "outputs of no-arg varnishevent and varnishncsa" \
        $EVENT_LOG $NCSA_LOG
 
-# Cannot test the %D formatter, because varnishevent gets it more accurately
-# (varnishncsa has floating point errors).
-FORMAT='%b %H %h %I %{Host}i %{Connection}i %{User-Agent}i %{X-Forwarded-For}i %{Accept-Ranges}o %{Age}o %{Connection}o %{Content-Encoding}o %{Content-Length}o %{Content-Type}o %{Date}o %{Last-Modified}o %{Server}o %{Transfer-Encoding}o %{Via}o %{X-Varnish}o %l %m %O %q %r %s %t %{%F-%T}t %U %u %{Varnish:time_firstbyte}x %{Varnish:hitmiss}x %{Varnish:handling}x %{VSL:Begin}x %{VSL:Debug}x %{VSL:End}x %{VSL:Gzip}x %{VSL:Hit}x %{VSL:Length}x %{VSL:Link}x %{VSL:ReqAcct}x %{VSL:ReqStart}x %{VSL:RespProtocol}x %{VSL:ReqMethod}x %{VSL:ReqURL}x %{VSL:ReqProtocol}x %{VSL:RespReason}x %{VSL:RespStatus}x %{VSL:Timestamp}x %{Varnish:vxid}x %{Varnish:side}x'
+# untested:
+# %D formatter : varnishncsa has floating point errors, varnishevent is accurate
+# %{VSL:Debug}x: unsupported in varnishncsa
+FORMAT='%b %H %h %I %{Host}i %{Connection}i %{User-Agent}i %{X-Forwarded-For}i %{Accept-Ranges}o %{Age}o %{Connection}o %{Content-Encoding}o %{Content-Length}o %{Content-Type}o %{Date}o %{Last-Modified}o %{Server}o %{Transfer-Encoding}o %{Via}o %{X-Varnish}o %l %m %O %q %r %s %t %{%F-%T}t %U %u %{Varnish:time_firstbyte}x %{Varnish:hitmiss}x %{Varnish:handling}x %{VSL:Begin}x %{VSL:End}x %{VSL:Gzip}x %{VSL:Hit}x %{VSL:Length}x %{VSL:Link}x %{VSL:ReqAcct}x %{VSL:ReqStart}x %{VSL:RespProtocol}x %{VSL:ReqMethod}x %{VSL:ReqURL}x %{VSL:ReqProtocol}x %{VSL:RespReason}x %{VSL:RespStatus}x %{VSL:Timestamp}x %{Varnish:vxid}x %{Varnish:side}x'
 
 echo "... custom -F format"
 $EVENT -r $INPUT -F "$FORMAT" | sed 's/-//g' > $EVENT_LOG