add check flag for CONFIG_NETFILTER_XT_MATCH_IPVS CONFIG_IP_VS_NFCT CONFIG_IP_VS_RR in contrib/check-config.sh

Signed-off-by: alexchen <alexchenunix@gmail.com>

contrib/check-config.sh

@@ -185,7 +185,7 @@ flags=(
 	KEYS
 	VETH BRIDGE BRIDGE_NETFILTER
 	NF_NAT_IPV4 IP_NF_FILTER IP_NF_TARGET_MASQUERADE
-	NETFILTER_XT_MATCH_{ADDRTYPE,CONNTRACK}
+	NETFILTER_XT_MATCH_{ADDRTYPE,CONNTRACK,IPVS}
 	NF_NAT NF_NAT_NEEDED
 
 	# required for bind-mounting /dev/mqueue into containers
@@ -233,6 +233,8 @@ flags=(
 	NET_CLS_CGROUP $netprio
 	CFS_BANDWIDTH FAIR_GROUP_SCHED RT_GROUP_SCHED
 	IP_VS
+	IP_VS_NFCT
+ 	IP_VS_RR
 )
 check_flags "${flags[@]}"