arp command is not described in wicked man-page

[MikhailKasimov]

Hello!

openSUSE Leap 42.2. wicked 0.6.39.

wicked --help command lists the brief info about wicked's syntax. In particular here is arp [options] <ifname> <IP> string in Supported commands list, which is not described in man-page man 8 wicked.

Personally, it's a lack of documentation -- because it's unclear a little bit without a brief example, when arp command should really be used.

Thanks!

[mtomaschewski]

They are (or were in the meantime) used internally to preform IPv4 duplicate address detection and send garps to announce IPs according to the CHECK_DUPLICATE_IP and SEND_GRATUITOUS_ARP ifcfg variable settings.