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

one use

	golang.org/x/sys/unix (current package)
		zerrors_linux.go#L3542: 	UDP_ENCAP_ESPINUDP_NON_IKE                  = 0x1

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