References: golang.org/x/sys/unix.FRA_SUPPRESS

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

one use

	golang.org/x/sys/unix (current package)
		ztypes_linux.go#L6182: 	FRA_SUPPRESS_IFGROUP   = 0xd

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