Как настроить keepalived - не удается настроить VIP

Я пытаюсь настроить скомпилированный keepalived 1.2.19 на ubuntu 14.04 с аварийным переключением. Почему-то виртуальный ip никогда не появляется:

ip addr show eth0 


2: eth0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UP group default qlen 1000
        link/ether 08:00:27:60:7f:89 brd ff:ff:ff:ff:ff:ff
        inet 192.168.56.120/24 brd 192.168.56.255 scope global eth0
           valid_lft forever preferred_lft forever
        inet 192.168.56.121/24 brd 192.168.56.255 scope global secondary eth0:0
           valid_lft forever preferred_lft forever
        inet6 fe80::a00:27ff:fe60:7f89/64 scope link 
           valid_lft forever preferred_lft forever

Файл конфигурации выглядит так:

! Configuration File for keepalived
vrrp_script chk_haproxy {               # Requires keepalived-1.1.13
        script "killall -0 haproxy"     # cheaper than pidof
        interval 2                      # check every 2 seconds
        weight 2                        # add 2 points of prio if OK
}
vrrp_instance VI_1 {
    state MASTER
    interface eth0
    virtual_router_id 101
    priority 101        # 101 on master; 100 on backup
    virtual_ipaddress {
        192.168.56.150
    }
    track_script {
        chk_haproxy
    }
}

Это выглядит довольно просто для настройки. Что я делаю не так?

Системный журнал после перезапуска keepalived:

Keepalived[4821]: Stopping Keepalived v1.2.19 (08/15,2015)
Keepalived[4988]: Starting Keepalived v1.2.19 (08/15,2015)
Keepalived[4989]: Starting Healthcheck child process, pid=4990
Keepalived_healthcheckers[4990]: Initializing ipvs 2.6
Keepalived[4989]: Starting VRRP child process, pid=4991
Keepalived_healthcheckers[4990]: Registering Kernel netlink reflector
Keepalived_healthcheckers[4990]: Registering Kernel netlink command channel
Keepalived_healthcheckers[4990]: Configuration is using : 6006 Bytes
Keepalived_vrrp[4991]: Registering Kernel netlink reflector
Keepalived_vrrp[4991]: Registering Kernel netlink command channel
Keepalived_vrrp[4991]: Registering gratuitous ARP shared channel
Keepalived_vrrp[4991]: Configuration is using : 57026 Bytes
Keepalived_vrrp[4991]: Using LinkWatch kernel netlink reflector...
Keepalived_healthcheckers[4990]: Using LinkWatch kernel netlink reflector...