Wan udhcp: malformed hex string 'root'

[robberbaron]

received this log message in 18.06.4

wan is setting up now
udhcp: malformed hex string 'root'

the fix was pointed out by [eduperez] WRT3200ACM no connect to ISP but i didnt know where to find setting in LuCi

for those coming later....
Network
Interfaces
WAN

Client Id to send When requesting DHCP
swap root with A1 or other HEXstring
<save & Apply>

dhcp connected almost immediately.

[vgaetera]

This is a LuCI bug related to incorrect autocomplete.
You can report it here: https://github.com/openwrt/luci/issues/new