$ git clone -n https://src.fedoraproject.org/rpms/php-symfony3.git /var/lib/mock/f37-build-side-32-misc-devel-266911-14429/root/chroot_tmpdir/scmroot/php-symfony3
Cloning into '/var/lib/mock/f37-build-side-32-misc-devel-266911-14429/root/chroot_tmpdir/scmroot/php-symfony3'...
fatal: unable to access 'https://src.fedoraproject.org/rpms/php-symfony3.git/': Error in the HTTP2 framing layer