Content differences:
--- /etc/ssh/ssh_known_hosts.orig
+++ /etc/ssh/ssh_known_hosts
@@ -1789,6 +1789,7 @@
networktests-vxlan-dualstack.testlabs.eqiad1.wikimedia.cloud,networktests-vxlan-dualstack,172.16.17.248,2a02:ec80:a000:1::ed ecdsa-sha2-nistp256 AAAAE2VjZHNhLXNoYTItbmlzdHAyNTYAAAAIbmlzdHAyNTYAAABBBFADwC9RB0mXgFGT+/8USRXouNagrVTNpSuYbzbYPdkXFnCZHkbLR8PtAZrCRWDhoZbIJY7uq6htMKW1N2V0uoc=
networktests-vxlan-ipv4only-fip.testlabs.eqiad1.wikimedia.cloud,networktests-vxlan-ipv4only-fip,172.16.11.7,fe80::f816:3eff:fe38:a227 ecdsa-sha2-nistp256 AAAAE2VjZHNhLXNoYTItbmlzdHAyNTYAAAAIbmlzdHAyNTYAAABBBNQNRhuhmL2Jhm+bGmuHmIvsPHsoDFD8KEUqauyK/7jc62WQe+CVlVhIBMvvrV5BVGSi1srYaBErCfz4hmoZzcA=
networktests-vxlan-ipv4only.testlabs.eqiad1.wikimedia.cloud,networktests-vxlan-ipv4only,172.16.10.110,fe80::f816:3eff:fe2a:2114 ecdsa-sha2-nistp256 AAAAE2VjZHNhLXNoYTItbmlzdHAyNTYAAAAIbmlzdHAyNTYAAABBBFZ3ejHswKywiPjOuYaSbtnZ9f4M+HKZZtNJT3NN2L+qb+XuAqaItfnqqX6InSTQ/X7EzbgEJsLnWV+VgxVMh40=
+newtrixie.testlabs.eqiad1.wikimedia.cloud,newtrixie,172.16.19.90,2a02:ec80:a000:1::439 ecdsa-sha2-nistp256 AAAAE2VjZHNhLXNoYTItbmlzdHAyNTYAAAAIbmlzdHAyNTYAAABBBOUI3xmVENMxQWFIG27BgCtIq9yCaOoZnU1FkI/r9rAdkykIF7JMoZLXdc6o7OiBddJueamR0/eHUNwNCInJ58w=
nfs-client-2.testlabs.eqiad1.wikimedia.cloud,nfs-client-2,172.16.19.74,2a02:ec80:a000:1::199 ecdsa-sha2-nistp256 AAAAE2VjZHNhLXNoYTItbmlzdHAyNTYAAAAIbmlzdHAyNTYAAABBBIELJuiWNREB7YXnat8Hn3f4zonIh6i9zJwAKFmztlZjwVBiIPZACUK93lTNR2rXA0MnZSHrMG/sdrVXBddN2oY=
node1001.zuul3.eqiad1.wikimedia.cloud,node1001,172.16.5.183,fe80::f816:3eff:feb8:a298 ecdsa-sha2-nistp256 AAAAE2VjZHNhLXNoYTItbmlzdHAyNTYAAAAIbmlzdHAyNTYAAABBBEIMP/S9koZWmBT4ZLliEOrU6ORYNJzxb+ZDssdS7lH3TIyETVVDC9/NHdQWAVpfwmVnER7TZLSto+dogwGZjKs=
ntp-5.cloudinfra.eqiad1.wikimedia.cloud,ntp-5,172.16.17.119,2a02:ec80:a000:1::22e ecdsa-sha2-nistp256 AAAAE2VjZHNhLXNoYTItbmlzdHAyNTYAAAAIbmlzdHAyNTYAAABBBCueN+Fjh5BWE/qRRPcSP2WN0WjR6us/r1kORPACiBFiZakmQyYS0nFvKt8NGT5eAdPSGLUxOFlAuRExjoc9exs=