Add ENABLE_INTERFACES support to nftables container #72

Job	Run time
container (httpd) / build (arm64)	3m 34s
container (system) / build (arm64)	14m 4s
container (httpd) / build (amd64)	3m 48s
container (nftables) / build (arm64)	4m 28s
container (nftables) / build (amd64)	4m 10s
container (system) / build (amd64)	13m 5s
container (neofetch) / build (arm64)	7m 4s
container (ntpd) / build (arm64)	5m 12s
container (ntpd) / build (amd64)	5m 1s
container (neofetch) / build (amd64)	6m 48s
container (httpd) / push	24s
container (nftables) / push	22s
container (ntpd) / push	24s
container (neofetch) / push	23s
container (system) / push	1m 23s
	1h 10m 10s

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