You need to use this specific bundle stream, this fails from the CI-job post-build-lava, from the command line "lava scheduler submit-job..." and from the web interface.

I've tried to change the bundle stream to "/anonymous/aroxell/" and then it works fine, see link: https://validation.linaro.org/scheduler/job/118762/multinode_definition

see the definition I used when It didn't work:

{
    "timeout": 800,
    "job_name": "https://ci.linaro.org/jenkins/job/lng-multinode/39/",
    "logging_level": "INFO",
    "device_group": [
        {
            "role": "client",
            "count": 1,
            "device_type": "lng-keystone"
        },
        {
            "role": "server",
            "count": 1,
            "device_type": "lng-x86"
        }
    ],
    "actions": [
        {
            "command": "deploy_linaro_kernel",
            "parameters": {
                "bootloadertype": "ipxe",
                "kernel": "http://snapshots.linaro.org/openembedded/pre-built/lng-x86-64/latest/bzImage--3.10+git0+9ce234e1ee-r0-lng-x86-64-20140320094403.bin",
                "ramdisk": "http://snapshots.linaro.org/openembedded/images/lng-x86-gcc-4.8/latest/linaro-image-lng-qemux86-20140325-37.rootfs.cpio.gz",
                "role": "server"
            }
        },
        {
            "command": "deploy_linaro_kernel",
            "metadata": {
                "multinode.build": "39",
                "hwpack.build": "122",
                "hwpack.endian": "le",
                "linux.hash": "c406f28"
            },
            "parameters": {
                "dtb": "https://snapshots.linaro.org/kernel-hwpack/linux-lng-keystone2/122/keystone2-evm.dtb",
                "firmware": "http://community.validation.linaro.org/images/keystone/skern-keystone-evm.bin",
                "kernel": "https://snapshots.linaro.org/kernel-hwpack/linux-lng-keystone2/122/uImage-keystone2",
                "nfsrootfs": "http://snapshots.linaro.org/openembedded/images/lng-armv7a-gcc-4.8/239/linaro-image-lng-genericarmv7a-20140325-239.rootfs.tar.gz",
                "role": "client"
            }
        },
        {
            "command": "lava_test_shell",
            "parameters": {
                "testdef_repos": [
                    {
                        "git-repo": "git://git.linaro.org/qa/test-definitions.git",
                        "testdef": "openembedded/netperf-client-multinode.yaml"
                    }
                ],
                "timeout": 1800,
                "role": "client"
            }
        },
        {
            "command": "lava_test_shell",
            "parameters": {
                "testdef_repos": [
                    {
                        "git-repo": "git://git.linaro.org/qa/test-definitions.git",
                        "testdef": "openembedded/netperf-server-multinode.yaml"
                    }
                ],
                "timeout": 1800,
                "role": "server"
            }
        },
        {
            "command": "submit_results_on_host",
            "parameters": {
                "server": "http://validation.linaro.org/RPC2/",
                "stream": "/public/team/linaro/ci-linux-lng/"
            }
        }
    ]
}