The problem is solved after I removed the libxml2-4.7 related part in /var/www/nailgun/plugins/fuel-plugin-ovsnfv-0.0/repositories/ubuntu/Package.gz.
Thanks for the help Oleksiy!
The problem is solved after I removed the libxml2-4.7 related part in /var/www/ nailgun/ plugins/ fuel-plugin- ovsnfv- 0.0/repositorie s/ubuntu/ Package. gz.
Thanks for the help Oleksiy!