Provisioning of Ubuntu stucked during HA Neutron GRE deployment

{

    "build_id": "2014-11-16_21-00-23",
    "ostf_sha": "64cb59c681658a7a55cc2c09d079072a41beb346",
    "build_number": "17",
    "auth_required": true,
    "api": "1.0",
    "nailgun_sha": "2fc6fc4261092a591779a8fb7e3fb1623c6abb85",
    "production": "docker",
    "fuelmain_sha": "b118fa4475833ce031ef189ce280772c676fa1c9",
    "astute_sha": "702af3db6f5bca92525bc8322d7d5d7675ec857e",
    "feature_groups": [
        "mirantis"
    ],
    "release": "5.1.1",
    "release_versions": {
        "2014.1.3-5.1.1": {
            "VERSION": {
                "build_id": "2014-11-16_21-00-23",
                "ostf_sha": "64cb59c681658a7a55cc2c09d079072a41beb346",
                "build_number": "17",
                "api": "1.0",
                "nailgun_sha": "2fc6fc4261092a591779a8fb7e3fb1623c6abb85",
                "production": "docker",
                "fuelmain_sha": "b118fa4475833ce031ef189ce280772c676fa1c9",
                "astute_sha": "702af3db6f5bca92525bc8322d7d5d7675ec857e",
                "feature_groups": [
                    "mirantis"
                ],
                "release": "5.1.1",
                "fuellib_sha": "0d3909b9a291880af28dbe48b9c7d25215aa98ea"
            }
        }
    },
    "fuellib_sha": "0d3909b9a291880af28dbe48b9c7d25215aa98ea"

}

Steps:
1. Create next cluster - HA, Ubuntu, Neutron GRE, 3 controller, 2 compute, 1 cinder nodes
2. Start deployment

Actual result - provisioning got stucked on slave-02 controller

Logs are attached

Env was analized by fuel-library team and decided to wait next reproducing