const golang.org/x/sys/unix.NFT_SECMARK_CTX_MAXLEN

one use

	golang.org/x/sys/unix (current package)
		zerrors_linux.go#L2227: 	NFT_SECMARK_CTX_MAXLEN                      = 0x1000

The pages are generated with Golds v0.7.6. (GOOS=linux GOARCH=amd64)