Merge pull request #45708 from neersighted/check_config_bpf/24.0

[24.0 backport] contrib/check-config: require xt_bpf for encrypted overlay

contrib/check-config.sh

@@ -351,7 +351,7 @@ echo "  - \"$(wrap_color 'overlay' blue)\":"
 check_flags VXLAN BRIDGE_VLAN_FILTERING | sed 's/^/    /'
 echo '      Optional (for encrypted networks):'
 check_flags CRYPTO CRYPTO_AEAD CRYPTO_GCM CRYPTO_SEQIV CRYPTO_GHASH \
-	XFRM XFRM_USER XFRM_ALGO INET_ESP | sed 's/^/      /'
+	XFRM XFRM_USER XFRM_ALGO INET_ESP NETFILTER_XT_MATCH_BPF | sed 's/^/      /'
 if [ "$kernelMajor" -lt 5 ] || [ "$kernelMajor" -eq 5 -a "$kernelMinor" -le 3 ]; then
 	check_flags INET_XFRM_MODE_TRANSPORT | sed 's/^/      /'
 fi