-ssh-external doesn't seem to work about vuls HOT 7 CLOSED

DEBU[0000] SSH executed. cmd: /usr/bin/ssh -o StrictHostKeyChecking=no -o UserKnownHostsFile=/dev/null -o LogLevel=quiet -o ConnectionAttempts=3 -o ConnectTimeout=10 -o ControlMaster=no -o ControlPath=none @AAA -p  set -o
pipefail; ls /etc/debian_version, err: <nil>, status: 255
stdout:

stderr:
usage: ssh [-1246AaCfGgKkMNnqsTtVvXxYy] [-b bind_address] [-c cipher_spec]
           [-D [bind_address:]port] [-E log_file] [-e escape_char]
           [-F configfile] [-I pkcs11] [-i identity_file] [-L address]
           [-l login_name] [-m mac_spec] [-O ctl_cmd] [-o option] [-p port]
           [-Q query_option] [-R address] [-S ctl_path] [-W host:port]
           [-w local_tun[:remote_tun]] [user@]hostname [command]
[Jun 24 15:26:39] DEBUG [localhost] Not Debian like Linux. Host: AAA

DEBU[0000] SSH executed. cmd: /usr/bin/ssh -o StrictHostKeyChecking=no -o UserKnownHostsFile=/dev/null -o LogLevel=quiet -o ConnectionAttempts=3 -o ConnectTimeout=10 -o ControlMaster=no -o ControlPath=none @AAA -p  set -o

[servers]

[servers.172-31-4-82]
host         = "172.31.4.82"
port        = "22"
user        = "username"
#keyPath     = "/home/username/.ssh/id_rsa"