OVS_GREP_IFELSE([$KSRC26/include/net/netlink.h], [nla_get_be16])
OVS_GREP_IFELSE([$KSRC26/include/net/netlink.h], [nla_find_nested])
OVS_GREP_IFELSE([$KSRC26/include/net/netlink.h], [nla_get_be16])
OVS_GREP_IFELSE([$KSRC26/include/net/netlink.h], [nla_find_nested])