===== COMMAND =====: arp -an
===== RETURN CODE =====: 0
===== STDOUT =====:
[10.20.0.7] out: ? (10.20.0.2) at 52:54:00:30:0d:7c [ether] on enp6s0
[10.20.0.7] out: ? (172.30.10.1) at <incomplete> on br-ex
[10.20.0.7] out: 

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