Analyse following RPM build log snippet. Describe contents accurately, without speculation or suggestions for resolution.            
Your analysis must be as concise as possible, while keeping relevant information intact.
Snippet: 
+ echo 'Patch #2 (varnish-6.6.1-CVE-2025-47905.patch):'
+ /usr/bin/patch --no-backup-if-mismatch -f -p1 --fuzz=0
patching file bin/varnishd/http1/cache_http1_vfp.c
Hunk #1 FAILED at 91.
Hunk #2 FAILED at 170.
Hunk #3 FAILED at 224.
Hunk #4 FAILED at 255.
4 out of 4 hunks FAILED -- saving rejects to file bin/varnishd/http1/cache_http1_vfp.c.rej
It's a root cause why the build is failing - patch was not correctly applied. 