```
$ varnishncsa -F '%h %l %u %t "%r" %s %b "%{Referer}i" "%{User-agent}i" %D' | grep -E " [0-9]{7,}$"
...
128.93.166.14 - - [02/Feb/2022:09:35:11 +0000] "GET http://archive.softwareheritage.org/api/1/origin/save/hg/url/https://foss.heptapod.net/mercurial/hgview/ HTTP/1.1" 502 341 "-" "python-requests/2.21.0" 60058264
128.93.166.14 - - [02/Feb/2022:09:41:16 +0000] "POST http://archive.softwareheritage.org/api/1/origin/save/hg/url/https://foss.heptapod.net/mercurial/hgview/ HTTP/1.1" 502 341 "-" "python-requests/2.21.0" 60057275
128.93.166.14 - - [02/Feb/2022:09:44:36 +0000] "POST http://archive.softwareheritage.org/api/1/origin/save/hg/url/https://foss.heptapod.net/mercurial/hgview/ HTTP/1.1" 502 341 "-" "python-requests/2.21.0" 60060106
128.93.166.14 - - [02/Feb/2022:09:48:23 +0000] "POST http://archive.softwareheritage.org/api/1/origin/save/hg/url/https://foss.heptapod.net/mercurial/hgview/ HTTP/1.1" 502 341 "-" "python-requests/2.21.0" 60061227
```