[rancid] Mikrotik issues ssh on 6.35.4

[heasley]

Thu, Aug 10, 2017 at 02:45:13PM -0700, Wade Blackwell:
> Good afternoon from the Central Coast of Ca.
> 
>                 I'm new to both Rancid and Mikrotik and getting a successful
> config pull from a MT 6.35.4 VM is proving difficult. I've read quite allot
> today and tried most everything I read. The result is rancid can login via
> ssh but pulls a zero byte config. First issue appeared to be a timeout issue
> which I addressed in the config. Now the issue appears to be "missed
> cmd(s)". Details below;
> 
> Rancid Verion 2.3.8

please upgrade to 3.6.2.  We can't support 2.x any longer.

> Server OS CentOS 6 (Vmware guest)
> 
> Mikrotik version 6.35.4 (Vmware guest)
> 
> Error messages (rounds 1-4) "missed cmd(s): system license print,system
> routerboard print,export"

in the rancid FAQ S3 Q2 there is some guidance for failing collections.