{
    "bootstrap_expect": 1,
    "server": true,
    "data_dir": "/var/consul",
    "ui_dir": "/usr/share/consul/ui",
    "log_level": "INFO",
    "enable_syslog": true,
    "advertise_addr": "127.0.0.1",
    "client_addr": "127.0.0.1",
    "services": [{
        "name": "marathon",
        "port": 8080
    }, {
        "name": "mesos",
        "port": 5050
    }, {
        "name": "zookeeper",
        "port": 2181
    }]
}

{
    "bootstrap_expect": 1,
    "server": true,
    "data_dir": "/var/consul",
    "ui_dir": "/usr/share/consul/ui",
    "log_level": "INFO",
    "enable_syslog": true,
    "advertise_addr": "10.0.2.15",
    "client_addr": "0.0.0.0",
    "services": [{
        "name": "marathon",
        "port": 8080
    }, {
        "name": "mesos",
        "port": 5050
    }, {
        "name": "zookeeper",
        "port": 2181
    }]
}

Update Consul client and advertise addresses
Update Consul client and advertise addresses

* client -> 0.0.0.0: accessible from all interfaces
* advertise -> 10.0.2.15: services registered on the agent are
  accessible via the eth0 address rather than localhost
