fickit: re-added sysctl

fickit-backend.yml

@@ -15,9 +15,10 @@ onboot:
     image: linuxkit/modprobe:v0.6
     command: ["/bin/sh", "-c", "modprobe e1000e"]
 
-#  - name: sysctl
-#    image: linuxkit/sysctl:v0.6
-#    command: ["/usr/bin/sysctl", "-w", "net.ipv6.conf.all.disable_ipv6=1"]
+  - name: sysctl
+    image: linuxkit/sysctl:v0.6
+    binds:
+      - /etc/sysctl.d/01-fic.conf:/etc/sysctl.d/01-fic.conf:ro
 
     # Filesystem
   - name: swap
@@ -242,6 +243,10 @@ services:
     uts: new
 
 files:
+  - path: etc/sysctl.d/01-fic.conf
+    source: configs/sysctl-backend.conf
+    mode: "0444"
+
   - path: root/synchro.sh
     source: configs/synchro.sh
     mode: "0755"