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

one use

	golang.org/x/sys/unix (current package)
		ztypes_linux.go#L1760: 	IFLA_NETKIT_PRIMARY                        = 0x2

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