2019-07-01 14:11:38,183 [INFO] {994} koji.build.buildroot:440 Running mock as kojibuilder
INFO: mock.py version 1.4.9 starting (python version = 3.6.4)...
Start: init plugins
INFO: selinux disabled
Finish: init plugins
Start: run
Start: clean chroot
Finish: clean chroot
Start: chroot init
INFO: calling preinit hooks
INFO: enabled HW Info plugin
Mock Version: 1.4.9
INFO: Mock Version: 1.4.9
Start: dnf install
Finish: dnf install
Finish: chroot init
INFO: Installed packages:
Finish: run
2019-07-01 14:19:34,141 [INFO] {1303} koji.build.buildroot:440 Running mock as kojibuilder
INFO: mock.py version 1.4.9 starting (python version = 3.6.4)...
Start: init plugins
INFO: selinux disabled
Finish: init plugins
Start: run
INFO: Start(/tmp/koji/tasks/8304/168304/local/work/cli-build/1561990288.6801689.uhUbDYnw/iptables-1.8.3-4.fc31.src.rpm)  Config(f31-build-43970-25787)
Start: chroot init
INFO: calling preinit hooks
INFO: enabled HW Info plugin
Mock Version: 1.4.9
INFO: Mock Version: 1.4.9
Finish: chroot init
Start: build phase for iptables-1.8.3-4.fc31.src.rpm
Start: build setup for iptables-1.8.3-4.fc31.src.rpm
ERROR: Exception(/tmp/koji/tasks/8304/168304/local/work/cli-build/1561990288.6801689.uhUbDYnw/iptables-1.8.3-4.fc31.src.rpm) Config(f31-build-43970-25787) 0 minutes 18 seconds
INFO: Results and/or logs in: /var/lib/mock/f31-build-43970-25787/result
ERROR: Command failed: 
 # /usr/bin/dnf builddep --installroot /var/lib/mock/f31-build-43970-25787/root/ /var/lib/mock/f31-build-43970-25787/root//builddir/build/SRPMS/iptables-1.8.3-4.fc31.src.rpm
Last metadata expiration check: 0:00:02 ago on Mon 01 Jul 2019 02:19:46 PM UTC.
No matching package to install: 'pkgconfig(libnftnl) >= 1.1.3'
Not all dependencies satisfied
Error: Some packages could not be found.