PREUN

/bin/sh

dkms remove  -m em8300 -v 0.18.0-3 --rpm_safe_upgrade --all
true

POSTIN

/bin/sh

dkms add     -m em8300 -v 0.18.0-3 --rpm_safe_upgrade &&
dkms build   -m em8300 -v 0.18.0-3 --rpm_safe_upgrade &&
dkms install -m em8300 -v 0.18.0-3 --rpm_safe_upgrade --force
true