===== COMMAND =====: arp -an
===== RETURN CODE =====: 0
===== STDOUT =====:
[10.20.0.6] out: ? (10.20.0.2) at 52:54:00:cd:b8:31 [ether] on enp6s0
[10.20.0.6] out: 

===== STDERR =====:
