const golang.org/x/sys/unix.IFLA_XFRM_COLLECT_METADATA
one use
golang.org/x/sys/unix (current package)
ztypes_linux.go#L1754: IFLA_XFRM_COLLECT_METADATA = 0x3
The pages are generated with Golds v0.7.6. (GOOS=linux GOARCH=amd64)