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

one use

	golang.org/x/sys/unix (current package)
		ztypes_linux.go#L2953: 	BPF_SKB_TSTAMP_UNSPEC                      = 0x0

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