Libvirt's default Linux bridge imposes limitations with a few advanced network characteristics. Check out utilizing OVS to implement libvirt networks instead. Two additional settings that should not need to be modified (presented you've got not modified this file in advance of) are PubkeyAuthentication and ChallengeResponseAuthentication. These are established by default https://bestfreepremiumssh38382.targetblogs.com/30395895/servicessh-options