Replace PowerVS instance

It was broken after a bad apt-get upgrade
diff --git a/production b/production
index 30aea52..cbda855 100644
--- a/production
+++ b/production
@@ -20,19 +20,19 @@
             ram: 4
     ci_agents:
       hosts:
-        couchdb-ci-ubuntu:
+        couchdb-ci-ubuntu-2:
           instance:
-            created_at: '2021-06-28T20:34:05.000Z'
-            id: db57a004-c0b1-4aab-9420-e5b8aaaff468
-            name: couchdb-ci-ubuntu
+            created_at: '2021-07-01T21:42:29.000Z'
+            id: c505f539-2cd9-4c8a-8eab-d4340218826c
+            name: couchdb-ci-ubuntu-2
             profile: shared
             subnet: null
             vpc: s922
             zone: none
           ip_addrs:
             bastion: null
-            private: 192.168.150.158
-            public: 158.175.161.158
+            private: 192.168.150.155
+            public: 158.175.161.155
           system:
             arch: power
             num_cpu: 2
diff --git a/ssh.cfg b/ssh.cfg
index 9f7209c..7e80b5b 100644
--- a/ssh.cfg
+++ b/ssh.cfg
@@ -7,8 +7,8 @@
   ControlPath /tmp/ansible-%r@%h:%p
   ControlPersist 30m
 
-Host couchdb-ci-ubuntu
-  Hostname 158.175.161.158
+Host couchdb-ci-ubuntu-2
+  Hostname 158.175.161.155
   User ubuntu
   ForwardAgent yes
   StrictHostKeyChecking no