Content differences:
--- /etc/ssh/ssh_known_hosts.orig
+++ /etc/ssh/ssh_known_hosts
@@ -2126,10 +2126,6 @@
tools-k8s-control-7.tools.eqiad1.wikimedia.cloud,tools-k8s-control-7,172.16.0.144,fe80::f816:3eff:fe97:eb71 ecdsa-sha2-nistp256 AAAAE2VjZHNhLXNoYTItbmlzdHAyNTYAAAAIbmlzdHAyNTYAAABBBLuTdYBSUYLVdjpNtsgQitgvFkS8uysw4ClCnjDSxKXMNEJ3w+qO7Nj5/5VtN05wBUF9uzNil39TLHj6xQBwMn4=
tools-k8s-control-8.tools.eqiad1.wikimedia.cloud,tools-k8s-control-8,172.16.5.194,fe80::f816:3eff:fe85:2217 ecdsa-sha2-nistp256 AAAAE2VjZHNhLXNoYTItbmlzdHAyNTYAAAAIbmlzdHAyNTYAAABBBHqm48K5KqPm0ENJ1VRJR1fqvjkCjveqYNh3lCAWTANu6GPecOjZWCVX1cEev0c1W/VdQ3VPIQ1Pv7mmtzr1hi4=
tools-k8s-control-9.tools.eqiad1.wikimedia.cloud,tools-k8s-control-9,172.16.3.135,fe80::f816:3eff:fe7f:65b5 ecdsa-sha2-nistp256 AAAAE2VjZHNhLXNoYTItbmlzdHAyNTYAAAAIbmlzdHAyNTYAAABBBJ24dm63t48tMoqEtp/wuF/77Gow/WSx79go5uKNR4hYelvYG0MQc3gKTpGo7+qsEcoBF6K98hKjNbU3WIwwkJM=
-tools-k8s-etcd-25.tools.eqiad1.wikimedia.cloud,tools-k8s-etcd-25,172.16.19.67,2a02:ec80:a000:1::12a ecdsa-sha2-nistp256 AAAAE2VjZHNhLXNoYTItbmlzdHAyNTYAAAAIbmlzdHAyNTYAAABBBLuGNAT3OfekLkZlwG66ZGHKV0E+E+P+M4BSdT/EEuA/jEMrG9FPN2ItsVDpj5PYLma4rb9BebjBF09Rn9TwMVE=
-tools-k8s-etcd-26.tools.eqiad1.wikimedia.cloud,tools-k8s-etcd-26,172.16.20.35,2a02:ec80:a000:1::312 ecdsa-sha2-nistp256 AAAAE2VjZHNhLXNoYTItbmlzdHAyNTYAAAAIbmlzdHAyNTYAAABBBNWYloLkfTnUHcqksYTXt3cvNCeICDFMEmFHWuSNOxbs8nQeS2WfEO+EHAKqzYuaL91HyzplVs6p7RHpxfpcU5A=
-tools-k8s-etcd-27.tools.eqiad1.wikimedia.cloud,tools-k8s-etcd-27,172.16.20.190,2a02:ec80:a000:1::da ecdsa-sha2-nistp256 AAAAE2VjZHNhLXNoYTItbmlzdHAyNTYAAAAIbmlzdHAyNTYAAABBBAZDeNP9iPH41AwVM8ZxtWMAXRwqumz8KmzE+qhGBkKCwE3q0TYJITnTXft+B02JBU34pzQPIR7ns8J4zzkNrKk=
-tools-k8s-etcd-28.tools.eqiad1.wikimedia.cloud,tools-k8s-etcd-28,172.16.16.141,2a02:ec80:a000:1::27e ecdsa-sha2-nistp256 AAAAE2VjZHNhLXNoYTItbmlzdHAyNTYAAAAIbmlzdHAyNTYAAABBBK9q/xKwJ6+4TO0S5NmE+73bi2pJdn6+y0sqG6xgAaZLQc6BWn1Egp/cGK+EaVez9a+OTPVpGfa+DDExFwCdM8s=
tools-k8s-etcd-29.tools.eqiad1.wikimedia.cloud,tools-k8s-etcd-29,172.16.16.190,2a02:ec80:a000:1::1a8 ecdsa-sha2-nistp256 AAAAE2VjZHNhLXNoYTItbmlzdHAyNTYAAAAIbmlzdHAyNTYAAABBBGV7q7ssDS8oC/A4nB6wrohPWWxUcVWQoKeSSs4K2wt8lXX31dE4g7bWzBun0zZreCN9Lwf0Pq3AOxKUBjs1OWk=
tools-k8s-etcd-30.tools.eqiad1.wikimedia.cloud,tools-k8s-etcd-30,172.16.19.226,2a02:ec80:a000:1::2a0 ecdsa-sha2-nistp256 AAAAE2VjZHNhLXNoYTItbmlzdHAyNTYAAAAIbmlzdHAyNTYAAABBBAzoX3DUGtMlwYbJcletMP/Xqe5XcoRBwputnCmggtcGLzLYSHr85mrOvapIo2kVKq4jyunxXqJ8U7LExAYXACo=
tools-k8s-etcd-31.tools.eqiad1.wikimedia.cloud,tools-k8s-etcd-31,172.16.19.43,2a02:ec80:a000:1::96 ecdsa-sha2-nistp256 AAAAE2VjZHNhLXNoYTItbmlzdHAyNTYAAAAIbmlzdHAyNTYAAABBBKLcWJ0BhYMOtKsPJwf+GjgT1WVmSONw8jccdFJFbCHMVvmluXxRQ7ETE97O6Ioji81MBqxfbddeDYrPXeEiyhg=