gocapability ignored EINVAL

cap_test.go

package main

import (
        "./capability"
        "fmt"
        "os"
)

// NOTE: Run as root.
func main() {
        c, err := capability.NewPid(os.Getpid())
        if err != nil {
                fmt.Printf("Error NewPid: %s", err)
        }
        c.Unset(capability.CAPS|capability.BOUNDS, capability.CAP_SYSLOG)
        if err := c.Apply(capability.CAPS | capability.BOUNDS); err != nil {
                fmt.Printf("Error setting cap: %s", err)
        }
        fmt.Printf("Caps: %s\n", c)
}