Parallel installs of an rpm via `dnf` may result in one noting package is installed but not having clean exit.

Issue

• Parallel installs of an rpm via dnf may result in one noting package is installed but not having clean exit.

  # dnf --repo rhel-8-for-x86_64-baseos-rpms -y -d0 install libnl3-devel & \
    dnf --repo rhel-8-for-x86_64-baseos-rpms -y -d0 install libnl3-devel &
    package libnl3-devel-3.5.0-1.el8.x86_64 is already installed
  
  Installed:
      libnl3-devel-3.5.0-1.el8.x86_64                                                                                                                                                                       
  
  [1]-  Exit 1                  dnf --repo ${REPO} -y -d0 install ${PKG}
  [2]+  Done                    dnf --repo ${REPO} -y -d0 install ${PKG}