diff --git a/smoketest/configs/rpki-only b/smoketest/configs/rpki-only
index 8f2f693c7..0f89b9a1b 100644
--- a/smoketest/configs/rpki-only
+++ b/smoketest/configs/rpki-only
@@ -1,64 +1,71 @@
 interfaces {
     ethernet eth0 {
         duplex auto
         speed auto
         address 192.0.2.1/24
     }
+    loopback lo {
+    }
 }
 protocols {
     rpki {
         cache 1.2.3.4 {
             port 3323
             preference 10
         }
         cache 5.6.7.8 {
             port 2222
             preference 20
             ssh {
                 known-hosts-file "/config/known-hosts-file"
                 private-key-file "/config/id_rsa"
                 public-key-file "/config/id_rsa.pub"
                 username vyos
             }
         }
     }
 }
 system {
     config-management {
         commit-revisions 200
     }
+    console {
+        device ttyS0 {
+            speed 115200
+        }
+    }
     conntrack {
         modules {
             ftp
             h323
             nfs
             pptp
             sip
             sqlnet
             tftp
         }
     }
     host-name vyos
     login {
         user vyos {
             authentication {
                 encrypted-password $6$r/Yw/07NXNY$/ZB.Rjf9jxEV.BYoDyLdH.kH14rU52pOBtrX.4S34qlPt77chflCHvpTCq9a6huLzwaMR50rEICzA5GoIRZlM0
                 plaintext-password ""
             }
         }
     }
     syslog {
         global {
             facility all {
                 level debug
             }
             facility protocols {
                 level debug
             }
         }
     }
 }
 
 // Warning: Do not remove the following line.
 // vyos-config-version: "broadcast-relay@1:cluster@1:config-management@1:conntrack@3:conntrack-sync@2:container@1:dhcp-relay@2:dhcp-server@6:dhcpv6-server@1:dns-forwarding@3:firewall@5:https@2:interfaces@22:ipoe-server@1:ipsec@5:isis@1:l2tp@3:lldp@1:mdns@1:nat@5:ntp@1:pppoe-server@5:pptp@2:qos@1:quagga@8:rpki@1:salt@1:snmp@2:ssh@2:sstp@3:system@21:vrrp@2:vyos-accel-ppp@2:wanloadbalance@3:webproxy@2:zone-policy@1"
 // Release version: 1.3.5