OVS_GREP_IFELSE([$KSRC/include/net/checksum.h], [csum_replace4])
OVS_GREP_IFELSE([$KSRC/include/net/checksum.h], [csum_unfold])
+ OVS_GREP_IFELSE([$KSRC/include/net/genetlink.h], [parallel_ops])
OVS_GREP_IFELSE([$KSRC/include/net/netlink.h], [NLA_NUL_STRING])
OVS_GREP_IFELSE([$KSRC/include/net/netlink.h], [nla_get_be16])
OVS_GREP_IFELSE([$KSRC/include/net/netlink.h], [nla_put_be16])