/usr/bin/dbclient: Warning: failed to identify current user. Trying anyway.
WARNING: Ignoring unknown option --
Dropbear SSH client v2026.94 https://matt.ucc.asn.au/dropbear/dropbear.html
Usage: /usr/bin/dbclient [options] [user@]host[/port][,[user@]host/port],...] [command]
-p <remoteport>
-l <username>
-t    Allocate a pty
-T    Don't allocate a pty
-N    Don't run a remote command
-f    Run in background after auth
-q    quiet, don't show remote banner
-y    Always accept remote host key if unknown
-y -y Don't perform any remote host key checking (caution)
-s    Request a subsystem (use by external sftp)
-o option     Set option in OpenSSH-like format ('-o help' to list options)
-i <identityfile>   (multiple allowed, default ~/.ssh/id_dropbear)
-A    Enable agent auth forwarding
-L <[listenaddress:]listenport:remotehost:remoteport> Local port forwarding
-g    Allow remote hosts to connect to forwarded ports
-R <[listenaddress:]listenport:remotehost:remoteport> Remote port forwarding
-W <receive_window_buffer> (default 24576, larger may be faster, max 10MB)
-K <keepalive>  (0 is never, default 0)
-I <idle_timeout>  (0 is never, default 0)
-M <max_duration>  (0 is off, default 0, in seconds)
-z    disable QoS
-B <endhost:endport> Netcat-alike forwarding
-J <proxy_program> Use program pipe rather than TCP connection
-c <cipher list> Specify preferred ciphers ('-c help' to list options)
-m <MAC list> Specify preferred MACs for packet verification (or '-m help')
-b    [bind_address][:bind_port]
-Q    <algo>   Print supported algorithms, or -Q help
-V    Version