libvirtrpc: invalid character '\x00' after top-level value

[mdlayher]

Test program:

package main

import (
    "log"
    "net"
    "time"

    "github.com/digitalocean/go-qemu"
    "github.com/digitalocean/go-qemu/qmp/libvirtrpc"
)

func main() {
    c, err := net.DialTimeout("unix", "/var/run/libvirt/libvirt-sock", 2*time.Second)
    if err != nil {
        log.Fatalf("failed to dial libvirt: %v", err)
    }

    mon := libvirtrpc.New("ubuntuvm0", c)
    if err := mon.Connect(); err != nil {
        log.Fatalf("failed to connect monitor: %v", err)
    }

    dom, err := qemu.NewDomain(mon, "ubuntuvm0")
    if err != nil {
        log.Fatalf("failed to create domain: %v", err)
    }

    _, err = dom.Version()
    if err != nil {
        log.Fatalf("failed to retrieve version: %v", err)
    }
}

Libvirt and QEMU versions:

[zsh|matt@servnerr-2]:~ 0 % virsh version
Compiled against library: libvirt 1.2.2
Using library: libvirt 1.2.2
Using API: QEMU 1.2.2
Running hypervisor: QEMU 2.0.0

Error output:

2016/05/03 16:44:55 failed to retrieve version: invalid character '\x00' after top-level value