enhancement(host): modprobe@ and resolvconf-pull-resolved services are restarted when a machine is started

By default, systemd don't want to (re)start too quickly. This make unecessary errors in log.

close #1

seed/host-systemd-machined/dictionaries/21_machined.xml

@@ -24,6 +24,12 @@
       <file engine="ansible">/etc/sysctl.d/90-risotto.conf</file>
       <file engine="ansible" file_type="variable" source="dhcp.network" variable="interface_names">host_network_filename</file>
     </service>
+    <service name="modprobe@">
+      <override/>
+    </service>
+    <service name="resolvconf-pull-resolved">
+      <override/>
+    </service>
     <service name="vector" servicelist="vector">
       <file engine="ansible">/etc/vector/vector.toml</file>
     </service>

seed/host-systemd-machined/templates/modprobe@.service

@@ -0,0 +1,2 @@
+[Unit]
+StartLimitIntervalSec=0

seed/host-systemd-machined/templates/resolvconf-pull-resolved.service

@@ -0,0 +1,2 @@
+[Unit]
+StartLimitIntervalSec=0