BSD: SIOCSRTRFLUSH_IN6 and SIOCSPFXFLUSH_IN6 require in6_ifreq
BSD: SIOCSRTRFLUSH_IN6 and SIOCSPFXFLUSH_IN6 require in6_ifreq

and not a character array of the interface name.
This only worked previously because the first member of in6_ifreq
is the interface name.

rsmarples/dhcpcd,rsmarples/dhcpcd,rsmarples/dhcpcd