[First Amendment Law Review] AWS WAF 'challenge' (HTTP 403) for https://scholarship.law.unc.edu/context/falr/article/1100/viewcontent/; retrying with fallback UA
[First Amendment Law Review] HTTP 403 for https://scholarship.law.unc.edu/context/falr/article/1100/viewcontent/ (fallback UA); retrying after 3.2s
[First Amendment Law Review] Timeout downloading https://scholarship.law.unc.edu/context/falr/article/1100/viewcontent/: Connection timeout to host https://scholarship.law.unc.edu/context/falr/article/1100/viewcontent/
[First Amendment Law Review] Retrying https://scholarship.law.unc.edu/context/falr/article/1100/viewcontent/ after ServerTimeoutError: Connection timeout to host https://scholarship.law.unc.edu/context/falr/article/1100/viewcontent/
[First Amendment Law Review] curl fallback returned 22 for https://scholarship.law.unc.edu/context/falr/article/1100/viewcontent/: curl: (22) The requested URL returned error: 403
[First Amendment Law Review] Retrying download with HTTP session fallback
[First Amendment Law Review] HTTP session fallback failed for https://scholarship.law.unc.edu/context/falr/article/1100/viewcontent/: DownloadError: Download failed for https://scholarship.law.unc.edu/context/falr/article/1100/viewcontent/