nable NetworkManager.service'.
DEBUG util.py:554:  BUILDSTDERR: Note: Forwarding request to 'systemctl enable chronyd.service'.
DEBUG util.py:554:  BUILDSTDERR: Writing kickstart file.
DEBUG util.py:554:  BUILDSTDERR: Using EXTLINUX from extlinux-bootloader package.
DEBUG util.py:554:  BUILDSTDERR: Found kernel filename: uImage
DEBUG util.py:554:  BUILDSTDERR: Found ramdisk filename: uInitrd
DEBUG util.py:556:   
DEBUG util.py:554:  BUILDSTDERR: Traceback (most recent call last):
DEBUG util.py:554:  BUILDSTDERR:   File "/usr/bin/appliance-creator", line 193, in <module>
DEBUG util.py:554:  BUILDSTDERR:     sys.exit(main())
DEBUG util.py:554:  BUILDSTDERR:   File "/usr/bin/appliance-creator", line 155, in main
DEBUG util.py:554:  BUILDSTDERR:     creator.configure()
DEBUG util.py:554:  BUILDSTDERR:   File "/usr/lib/python3.7/site-packages/imgcreate/creator.py", line 801, in configure
DEBUG util.py:554:  BUILDSTDERR:     self._create_bootconfig()
DEBUG util.py:554:  BUILDSTDERR:   File "/usr/lib/python3.7/site-packages/appcreate/appliance.py", line 574, in _create_bootconfig
DEBUG util.py:554:  BUILDSTDERR:     self._create_extlinux_config()
DEBUG util.py:554:  BUILDSTDERR:   File "/usr/lib/python3.7/site-packages/appcreate/appliance.py", line 380, in _create_extlinux_config
DEBUG util.py:554:  BUILDSTDERR:     logging.debug("Checking for %s/dtb-%s/" % (self.self._instroot + prefix, v))
DEBUG util.py:554:  BUILDSTDERR: AttributeError: 'ApplianceImageCreator' object has no attribute 'self'
DEBUG util.py:554:  BUILDSTDERR: umount:
DEBUG util.py:554:  BUILDSTDERR: /var/tmp/imgcreate-8d_l5uj7/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-8d_l5uj7/install_root/sys normally, using lazy unmount
DEBUG util.py:554:  BUILDSTDERR: lazy umount succeeded on /var/tmp/imgcreate-8d_l5uj7/install_root/sys
DEBUG util.py:554:  BUILDSTDERR: Unmounting directory /var/tmp/imgcreate-8d_l5uj7/install_root/boot
DEBUG util.py:554:  BUILDSTDERR: Unmounting directory /var/tmp/imgcreate-8d_l5uj7/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:  lazy umount succeeded on /var/tmp/imgcreate-8d_l5uj7/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-43798-25616/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-43798-25616/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-43798-25616/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-43798-25616/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