PREIN
/bin/sh
/usr/share/rpm-helper/add-user radvd $1 radvd / /usr/sbin/nologin
PREUN
/bin/sh
/usr/share/rpm-helper/del-service radvd $1 radvd
POSTIN
/bin/sh
/usr/bin/systemd-tmpfiles --create radvd.conf /usr/share/rpm-helper/add-service radvd $1 radvd