Starting download of /gnu/store/yq65jbhickms060ylifdh12mhqf69pri-gtkmm-3.24.2.tar.xz From http://ftp.belnet.be/ftp.gnome.org/sources/gtkmm/3.24/gtkmm-3.24.2.tar.xz... download failed "http://ftp.belnet.be/ftp.gnome.org/sources/gtkmm/3.24/gtkmm-3.24.2.tar.xz" 404 "Not Found" Starting download of /gnu/store/yq65jbhickms060ylifdh12mhqf69pri-gtkmm-3.24.2.tar.xz From http://ftp.linux.org.uk/mirrors/ftp.gnome.org/sources/gtkmm/3.24/gtkmm-3.24.2.tar.xz... In procedure connect: Network is unreachable Starting download of /gnu/store/yq65jbhickms060ylifdh12mhqf69pri-gtkmm-3.24.2.tar.xz From http://ftp.gnome.org/pub/GNOME/sources/gtkmm/3.24/gtkmm-3.24.2.tar.xz... following redirection to `https://ftp.gnome.org/pub/GNOME/sources/gtkmm/3.24/gtkmm-3.24.2.tar.xz'... following redirection to `https://download.gnome.org/sources/gtkmm/3.24/gtkmm-3.24.2.tar.xz'... following redirection to `https://ftp.fau.de/gnome/sources/gtkmm/3.24/gtkmm-3.24.2.tar.xz'...  gtkmm-3.24.2.tar.xz 12.7MiB 0B/s 00:00 [ ] 0.0%  gtkmm-3.24.2.tar.xz 12.7MiB 1.6MiB/s 00:00 [ ] 0.5%  gtkmm-3.24.2.tar.xz 12.7MiB 32.7MiB/s 00:00 [########### ] 61.4%  gtkmm-3.24.2.tar.xz 12.7MiB 36.9MiB/s 00:00 [##################] 100.0%