Got root. Thank you @sulcud for a fun box, got to learn about some tools I hadn’t used before.
root@sneakymailer:~# id
uid=0(root) gid=0(root) groups=0(root)
root@sneakymailer:~# hostname
sneakymailer
root@sneakymailer:~# ip addr | grep 10.10.10
inet 10.10.10.197/24 brd 10.10.10.255 scope global ens160