2017-02-03 13:37:55 INFO install The following packages have unmet dependencies:
2017-02-03 13:37:55 INFO install  nova-compute-kvm : Depends: qemu-kvm but it is not going to be installed or
2017-02-03 13:37:55 INFO install                              qemu-system (>= 1.3.0) but it is not going to be installed or
2017-02-03 13:37:55 INFO install                              kvm
2017-02-03 13:37:55 INFO install E: Unable to correct problems, you have held broken packages.