NOVA VM creation fails, qemu-kvm permision denied on shared library files

[Daniyal Omer Suri]

Description:
============
While deploying openstack Train through TripleO. Deployment is successful but the Nova VM creation fails because qemu-kvm libvirt error.

Steps to reproduce:
===================
Deploy Train through TripleO on Centos7

When creating VMs libvirt error occurs in nova_libvirt logs:
2020-10-20 10:04:44.273+0000: 46336: error : qemuProcessReportLogError:1924 : internal error: qemu unexpectedly closed the monitor: /usr/libexe│···································································
c/qemu-kvm: error while loading shared libraries: libseccomp.so.2: cannot open shared object file: Permission denied

Issue was found in SeLinux policies as once selinux was put in permissive mode:
setenforce 0 (on compute node)

VM Creation was successfull.

Expected result:
================
VM should have gone up without tweeking SeLinux.

Actual Result:
==============
VM Creation fails.

Environemt:
===========
TripleO Openstack Train
CentOS7
With and without External Ceph Cluster (same behavior in both)
Neutron with OpenVSwitch