ncsid: Import from gBMC

This is the initial code drop from gBMC.

Google-Bug-Id: 179618516
Upstream: 1e71af914bc8c54d8b91d0a1cf377e2696713c2f
Change-Id: Ic653e8271dacd205e04f2bc713071ef2ec5936a4
Signed-off-by: William A. Kennington III <wak@google.com>
diff --git a/ncsid/src/dhcp6@.service.in b/ncsid/src/dhcp6@.service.in
new file mode 100644
index 0000000..5e03458
--- /dev/null
+++ b/ncsid/src/dhcp6@.service.in
@@ -0,0 +1,14 @@
+[Unit]
+Description=DHCPv6 Updater
+Wants=mapper-wait@-xyz-openbmc_project-network-%i.service
+After=mapper-wait@-xyz-openbmc_project-network-%i.service
+Requisite=nic-hostless@%i.target
+After=nic-hostless@%i.target
+BindsTo=nic-hostless@%i.target
+ConditionPathExists=!/run/dhcp6.done
+
+[Service]
+KillMode=mixed
+Restart=on-failure
+ExecStart=@/usr/bin/env udhcpc6 -f -q -O bootfile_url -O bootfile_param -i %I -s @SCRIPT@
+SyslogIdentifier=dhcp6@%I