diff --git a/hackfest/containerlab/srl1.cli b/hackfest/containerlab/srl1.cli
index cf0f5836324c242738ab4f0727902ad5e2a51cdb..0496e9c4111bc5eb3d20e563324ede5379170e41 100644
--- a/hackfest/containerlab/srl1.cli
+++ b/hackfest/containerlab/srl1.cli
@@ -1,12 +1,11 @@
 set / interface ethernet-1/2 admin-state enable
-set / interface ethernet-1/2 subinterface 0 admin-state enable
+set / interface ethernet-1/2 subinterface 0 ipv4 admin-state enable
 set / interface ethernet-1/2 subinterface 0 ipv4 address 172.16.1.1/24
 
 set / interface ethernet-1/1 admin-state enable
-set / interface ethernet-1/1 subinterface 0 admin-state enable
+set / interface ethernet-1/1 subinterface 0 ipv4 admin-state enable
 set / interface ethernet-1/1 subinterface 0 ipv4 address 172.0.0.1/30
 
-set / network-instance default
 set / network-instance default interface ethernet-1/1.0
 set / network-instance default interface ethernet-1/2.0