[Coverity CID :195770]Memory - illegal accesses in /drivers/ethernet/eth_native_posix_adapt.c

[aasthagr]

Static code scan issues seen in File: /drivers/ethernet/eth_native_posix_adapt.c
Category: Memory - illegal accesses
Function: eth_iface_create
Component: Drivers
CID: 195770
Please fix or provide comments to square it off in coverity in the link: https://scan9.coverity.com/reports.htm#v32951/p12996