Content differences:
--- /etc/ssh/ssh_known_hosts.orig
+++ /etc/ssh/ssh_known_hosts
@@ -1782,6 +1782,7 @@
owmf-test.wikispore.eqiad1.wikimedia.cloud,owmf-test,172.16.5.101,fe80::f816:3eff:fec8:2834 ecdsa-sha2-nistp256 AAAAE2VjZHNhLXNoYTItbmlzdHAyNTYAAAAIbmlzdHAyNTYAAABBBF8QtQmLOY9Z5NFdYZUj9pzRK+b74ljtkcz+eVsDEWFHutXSkoI6BL+ATyR1JPholhbgqKXlyVBSzendVEQIeTU=
packager-etherpad01.packaging.eqiad1.wikimedia.cloud,packager-etherpad01,172.16.2.87,fe80::f816:3eff:feaf:738f ecdsa-sha2-nistp256 AAAAE2VjZHNhLXNoYTItbmlzdHAyNTYAAAAIbmlzdHAyNTYAAABBBD7SnPUJv2gpg4iTA11o0KJW5XTw9W9iFycGE5CAN3CmYAHZPWuhG9g03vwsxQi786jRKvzN1y5c1rOkQwdZ4EU=
pageviews01.commtech.eqiad1.wikimedia.cloud,pageviews01,172.16.7.173,fe80::f816:3eff:fe46:4ff7 ecdsa-sha2-nistp256 AAAAE2VjZHNhLXNoYTItbmlzdHAyNTYAAAAIbmlzdHAyNTYAAABBBEqPIloP14fa0R4EJnC0DZbybe2Bo12rnqhs2oFHNYlKuQL0LHV/j+ROPnSLVj23GaFLeTsp8nJ3GfKbTEoxcgQ=
+pageview-similarity-search.wmf-research-tools.eqiad1.wikimedia.cloud,pageview-similarity-search,172.16.16.254,2a02:ec80:a000:1::473 ecdsa-sha2-nistp256 AAAAE2VjZHNhLXNoYTItbmlzdHAyNTYAAAAIbmlzdHAyNTYAAABBBI07KNuq1IUzo6Fcemr80N/TemsdhF+ymar6g19p6YpU4wbp0JaBi97bYfR+TSCG6Nupxtr8Kr/7vj+p2tCrA68=
p-and-e-dashboard-redis.globaleducation.eqiad1.wikimedia.cloud,p-and-e-dashboard-redis,172.16.4.67,fe80::f816:3eff:feb2:f8d9 ecdsa-sha2-nistp256 AAAAE2VjZHNhLXNoYTItbmlzdHAyNTYAAAAIbmlzdHAyNTYAAABBBPsDYbZhfMCqkKaUPyDwJh0kZ2iNo2kqNNdAo7BuTa5oAbCaRZ3iCinjBee1oz40DOHf7REF9hcc1aqx87uNi6k=
parsoidtest1001.eqiad.wmnet,parsoidtest1001,10.64.0.102,2620:0:861:101:10:64:0:102 ecdsa-sha2-nistp256 AAAAE2VjZHNhLXNoYTItbmlzdHAyNTYAAAAIbmlzdHAyNTYAAABBBJFYfgg+V5xe7WVW84VoMTq5zhL7iJ6sjuaCV+/V+qIklP30RcohA/6Bezhev3BRt1AqNdLHQfc2U7S4F7jz1GA=
patchdemo3.visualeditor.eqiad1.wikimedia.cloud,patchdemo3,172.16.1.124,fe80::f816:3eff:fe6e:8303 ecdsa-sha2-nistp256 AAAAE2VjZHNhLXNoYTItbmlzdHAyNTYAAAAIbmlzdHAyNTYAAABBBIqcqFsei/cLG2ZobfgSvCxJLM3+RGDXOInlr2qP8PjZWo9AxCyQ9M+4WbRkLnq/JJh+SirqsH3kqaVRSE9D+ms=