+%systemd_preun %{name}-ipv6.service
+
+%postun ipv6
+%systemd_reload
+
+%triggerpostun ipv4 -- %{name}-ipv4 < 1.3.4-3
+chmod 0640 /etc/bird.conf
+chgrp bird /etc/bird.conf
+
+%triggerpostun -- %{name}-ipv4 < 1.4.5-2
+%systemd_trigger %{name}-ipv4.service
+
+%triggerpostun -- %{name}-ipv6 < 1.4.5-2
+%systemd_trigger %{name}-ipv6.service