NetBSD 10.1 amd64 vm
====================
These errors in the console:

wsconscfg: Cannot open `/dev/ttyEcfg': Device not configured                                 
wsconscfg: Cannot open `/dev/ttyEcfg': Device not configured                                 
wsconscfg: Cannot open `/dev/ttyEcfg': Device not configured                                 
wsconscfg: Cannot open `/dev/ttyEcfg': Device not configured                                 

1. set wscons=NO in /etc/rc.conf
2. set ttyE0 .. ttyE3 to off in /etc/ttys
3. reboot