dnf upgrade --best'
DEBUG util.py:556:  If DNS isn’t working, try editing ‘/etc/yum.repos.d/fedora-riscv.repo’.
DEBUG util.py:556:  For updates and latest information read:
DEBUG util.py:556:  https://fedorapeople.org/groups/risc-v/disk-images/readme.txt
DEBUG util.py:556:  Fedora/RISC-V
DEBUG util.py:556:  -------------
DEBUG util.py:556:  Koji:               http://fedora-riscv.tranquillity.se/koji/
DEBUG util.py:556:  SCM:                http://fedora-riscv.tranquillity.se:3000/
DEBUG util.py:556:  Distribution rep.:  http://fedora-riscv.tranquillity.se/repos-dist/
DEBUG util.py:556:  Koji internal rep.: http://fedora-riscv.tranquillity.se/repos/
DEBUG util.py:554:  BUILDSTDERR: 
1k
2k
3ksetfiles: Could not set context for /usr/sbin/timedatex:  Invalid argument
DEBUG util.py:556:  
/ 100.0%
DEBUG util.py:554:  BUILDSTDERR: Unable to create appliance : SELinux relabel failed.
DEBUG util.py:554:  BUILDSTDERR: umount:
DEBUG util.py:554:  BUILDSTDERR: /var/tmp/imgcreate-210bx8ht/install_root/var/cache/dnf:
DEBUG util.py:554:  BUILDSTDERR: target
DEBUG util.py:554:  BUILDSTDERR: is
DEBUG util.py:554:  BUILDSTDERR: busy.
DEBUG util.py:554:  BUILDSTDERR: Unable to unmount /var/tmp/imgcreate-210bx8ht/install_root/var/cache/dnf normally, using lazy unmount
DEBUG util.py:554:  BUILDSTDERR: lazy umount succeeded on /var/tmp/imgcreate-210bx8ht/install_root/var/cache/dnf
DEBUG util.py:554:  BUILDSTDERR: umount:
DEBUG util.py:554:  BUILDSTDERR: /var/tmp/imgcreate-210bx8ht/install_root/sys:
DEBUG util.py:554:  BUILDSTDERR: target
DEBUG util.py:554:  BUILDSTDERR: is
DEBUG util.py:554:  BUILDSTDERR: busy.
DEBUG util.py:554:  BUILDSTDERR: Unable to unmount /var/tmp/imgcreate-210bx8ht/install_root/sys normally, using lazy unmount
DEBUG util.py:554:  BUILDSTDERR: lazy umount succeeded on /var/tmp/imgcreate-210bx8ht/install_root/sys
DEBUG util.py:554:  BUILDSTDERR: Unmounting directory /var/tmp/imgcreate-210bx8ht/install_root/boot
DEBUG util.py:554:  BUILDSTDERR: Unmounting directory /var/tmp/imgcreate-210bx8ht/install_root/
DEBUG util.py:554:  BUILDSTDERR: Removing compat symlinks
DEBUG util.py:554:  BUILDSTDERR: Unmapping /dev/loop0
DEBUG util.py:554:  BUILDSTDERR: Losetup remove /dev/loop0
DEBUG util.py:556:   
DEBUG util.py:556:  lazy umount succeeded on /var/tmp/imgcreate-210bx8ht/install_root/var/cache/dnf
DEBUG util.py:556:  lazy umount succeeded on /var/tmp/imgcreate-210bx8ht/install_root/sys
DEBUG util.py:698:  Child return code was: 1
DEBUG util.py:292:  kill orphans
DEBUG util.py:717:  child environment: None
DEBUG util.py:643:  Executing command: ['/bin/umount', '-n', '/var/lib/mock/f31-build-95772-32735/root/dev'] with env {'TERM': 'vt100', 'SHELL': '/bin/sh', 'HOME': '/builddir', 'HOSTNAME': 'mock', 'PATH': '/usr/bin:/bin:/usr/sbin:/sbin', 'LANG': 'en_US.UTF-8'} and shell False
DEBUG util.py:698:  Child return code was: 0
DEBUG util.py:717:  child environment: None
DEBUG util.py:643:  Executing command: ['/bin/umount', '-n', '/var/lib/mock/f31-build-95772-32735/root/proc/filesystems'] with env {'TERM': 'vt100', 'SHELL': '/bin/sh', 'HOME': '/builddir', 'HOSTNAME': 'mock', 'PATH': '/usr/bin:/bin:/usr/sbin:/sbin', 'LANG': 'en_US.UTF-8'} and shell False
DEBUG util.py:698:  Child return code was: 0
DEBUG util.py:717:  child environment: None
DEBUG util.py:643:  Executing command: ['/bin/umount', '-n', '-l', '/var/lib/mock/f31-build-95772-32735/root/sys'] with env {'TERM': 'vt100', 'SHELL': '/bin/sh', 'HOME': '/builddir', 'HOSTNAME': 'mock', 'PATH': '/usr/bin:/bin:/usr/sbin:/sbin', 'LANG': 'en_US.UTF-8'} and shell False
DEBUG util.py:698:  Child return code was: 0
DEBUG util.py:717:  child environment: None
DEBUG util.py:643:  Executing command: ['/bin/umount', '-n', '-l', '/var/lib/mock/f31-build-95772-32735/root/proc'] with env {'TERM': 'vt100', 'SHELL': '/bin/sh', 'HOME': '/builddir', 'HOSTNAME': 'mock', 'PATH': '/usr/bin:/bin:/usr/sbin:/sbin', 'LANG': 'en_US.UTF-8'} and shell False
DEBUG util.py:698:  Child return code was: 0