Anyone that uses a lab that includes virtual machines re-uses the same IP addresses quite a bit.

However, when attempting to ssh (or scp or sftp) after re-using the IP address, you run into these errors:

scp tom@testbox.nodinrogers.com
@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@
@    WARNING: REMOTE …