Starting download of /gnu/store/w5955swqi94hpmzvcvflkmnjms0i2dyp-gtk-doc-1.28.tar.xz From http://ftp.belnet.be/ftp.gnome.org/sources/gtk-doc/1.28/gtk-doc-1.28.tar.xz... download failed "http://ftp.belnet.be/ftp.gnome.org/sources/gtk-doc/1.28/gtk-doc-1.28.tar.xz" 404 "Not Found" Starting download of /gnu/store/w5955swqi94hpmzvcvflkmnjms0i2dyp-gtk-doc-1.28.tar.xz From http://ftp.linux.org.uk/mirrors/ftp.gnome.org/sources/gtk-doc/1.28/gtk-doc-1.28.tar.xz... In procedure connect: Network is unreachable Starting download of /gnu/store/w5955swqi94hpmzvcvflkmnjms0i2dyp-gtk-doc-1.28.tar.xz From http://ftp.gnome.org/pub/GNOME/sources/gtk-doc/1.28/gtk-doc-1.28.tar.xz... following redirection to `https://ftp.gnome.org/pub/GNOME/sources/gtk-doc/1.28/gtk-doc-1.28.tar.xz'... following redirection to `https://download.gnome.org/sources/gtk-doc/1.28/gtk-doc-1.28.tar.xz'... following redirection to `https://ftp-stud.hs-esslingen.de/pub/Mirrors/ftp.gnome.org/sources/gtk-doc/1.28/gtk-doc-1.28.tar.xz'...  gtk-doc-1.28.tar.xz 709KiB 0B/s 00:00 [ ] 0.0%  gtk-doc-1.28.tar.xz 709KiB 1.5MiB/s 00:00 [# ] 9.0%  gtk-doc-1.28.tar.xz 709KiB 6.6MiB/s 00:00 [##################] 100.0%