zhanghongyu b42bbcb5d3 netlib_getarptab.c: improved the display without any arp entry
before:
server> arp
ERROR: send() failed: 2
nsh: arp: S��x�����Ì
 failed: 2
server>

after:
server> arp
IP Address   Ethernet Address  Interface
server>

Signed-off-by: zhanghongyu <zhanghongyu@xiaomi.com>
2024-10-29 12:27:16 +08:00
..
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