In your log there are things like
Code
Mar 02 18:26:45 LibreELEC sshd[8409]: @ WARNING: UNPROTECTED PRIVATE KEY FILE! @
Mar 02 18:26:45 LibreELEC sshd[8409]: @@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@
Mar 02 18:26:45 LibreELEC sshd[8409]: Permissions 0777 for '/storage/.cache/ssh/ssh_host_rsa_key' are too open.
Mar 02 18:26:45 LibreELEC sshd[8409]: It is required that your private key files are NOT accessible by others.
Mar 02 18:26:45 LibreELEC sshd[8409]: This private key will be ignored.
Mar 02 18:26:45 LibreELEC sshd[8409]: Error loading host key "/storage/.cache/ssh/ssh_host_rsa_key": bad permissions
Mar 02 18:26:45 LibreELEC sshd[8409]: Could not load host key: /storage/.cache/ssh/ssh_host_rsa_key
Mar 02 18:26:45 LibreELEC sshd[8409]: @@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@
meaning you have wrong permissions set. Maybe because of that ssh server doesn't start.