{ head -n 1 /srv/fai/nfsroot/root/.ssh/known_hosts | awk '{print $1}' \
| tr '\n' ' '; ssh-keyscan localhost | grep -o "ecdsa-sha2-nistp256.*"; \
} >>/srv/fai/nfsroot/root/.ssh/known_hosts
{ head -n 1 /srv/fai/nfsroot/root/.ssh/known_hosts | awk '{print $1}' \
| tr '\n' ' '; ssh-keyscan localhost | grep -o "ecdsa-sha2-nistp256.*"; \
} >>/srv/fai/nfsroot/root/.ssh/known_hosts