$ ssh -i private_key vagrant@192.168.15.5
load pubkey "private_key": invalid format
Welcome to Ubuntu 18.04.5 LTS (GNU/Linux 4.15.0-112-generic x86_64)
* Documentation: https://help.ubuntu.com
* Management: https://landscape.canonical.com
* Support: https://ubuntu.com/advantage
System information as of Mon Aug 31 18:49:58 UTC 2020
System load: 0.08 Processes: 97
Usage of /: 12.1% of 9.63GB Users logged in: 0
Memory usage: 13% IP address for enp0s3: 10.0.2.15
Swap usage: 0% IP address for enp0s8: 192.168.15.5
0 packages can be updated.
0 updates are security updates.
Last login: Mon Aug 31 18:07:46 2020 from 10.0.2.2
vagrant@ubuntu-bionic:~$ ls
E mesmo assim foi possivel completar o acesso ssh?