Content differences:
--- /etc/ssh/ssh_known_hosts.orig
+++ /etc/ssh/ssh_known_hosts
@@ -253,6 +253,7 @@
bots2.lta-tracker.eqiad1.wikimedia.cloud,bots2,172.16.7.44,fe80::f816:3eff:fe09:650c ecdsa-sha2-nistp256 AAAAE2VjZHNhLXNoYTItbmlzdHAyNTYAAAAIbmlzdHAyNTYAAABBBO3I/F2F/3edyRDoA5G12WaSFrra157joaEqk2rld8yRCLdaSoMidps7v0P0GWjE28kRq/+zo9oRRprLhU3MVGs=
build2001.codfw.wmnet,build2001,10.192.32.77,2620:0:860:103:10:192:32:77 ecdsa-sha2-nistp256 AAAAE2VjZHNhLXNoYTItbmlzdHAyNTYAAAAIbmlzdHAyNTYAAABBBC6NYiuGgEQRtNA8qAtNzinnC6K8Jb+pNBoiVEImnjg9uqk4QvTfkFa/9ga96tyuD2fpQMRUan5EcUJ7vZm9Ftk=
build2002.codfw.wmnet,build2002,10.192.32.54,2620:0:860:103:10:192:32:54 ecdsa-sha2-nistp256 AAAAE2VjZHNhLXNoYTItbmlzdHAyNTYAAAAIbmlzdHAyNTYAAABBBChmVdNsvNa8rBof3xk3nNkaTWBX95r2vfZud0H74o3tWaynPS4L04HoTnbJrVJh36sx3KOOZ7ue6WM/3NO+bxY=
+buildvm-83ae7a8d-0f1d-4419-92e4-4f88163eca47.admin.eqiad1.wikimedia.cloud,buildvm-83ae7a8d-0f1d-4419-92e4-4f88163eca47,172.16.17.0,2a02:ec80:a000:1::462 ecdsa-sha2-nistp256 AAAAE2VjZHNhLXNoYTItbmlzdHAyNTYAAAAIbmlzdHAyNTYAAABBBIRqlArPl5YzpgsiSDmWikwKKnVgaAJeZ7eaT2TOF60K4AdK2KEHwVC6QIz/qIt6DyP35UQ7Bjhs2jhAMLHuBN4=
bullseye.spi-tools.eqiad1.wikimedia.cloud,bullseye,172.16.3.30,fe80::f816:3eff:fe25:4ab0 ecdsa-sha2-nistp256 AAAAE2VjZHNhLXNoYTItbmlzdHAyNTYAAAAIbmlzdHAyNTYAAABBBPJ2+Q/8Dyu8u7t/gAQsh4omQx2MasKv1WdZ5MB7jD8MM+1WoheU0SYxRZCQVwFBWt4OqyP3RcjgRp9x93Ag2fY=
canary1040-4.cloudvirt-canary.eqiad1.wikimedia.cloud,canary1040-4,172.16.19.133,2a02:ec80:a000:1::35 ecdsa-sha2-nistp256 AAAAE2VjZHNhLXNoYTItbmlzdHAyNTYAAAAIbmlzdHAyNTYAAABBBJsSCWGaLgcYJTsYvEhaIDXyCXG1+Gv7vHg0d0Tzxl5zlZVdgO91LIq4VQlaN5t/kpQnswg5adgAwsXhOqT5HP8=
canary1041-6.cloudvirt-canary.eqiad1.wikimedia.cloud,canary1041-6,172.16.20.60,2a02:ec80:a000:1::1d4 ecdsa-sha2-nistp256 AAAAE2VjZHNhLXNoYTItbmlzdHAyNTYAAAAIbmlzdHAyNTYAAABBBHkOxVVOphBaqjalqVPHveZdihTjWhTsX1FvAjIkkHwFWY4gvMy0lgAql97+QVfCHOmqfzLYmq2pjHHI8wkZxgk=