Link aggregation issue

Hello. Need a help of specialist, after installation bond0 was added like in tutorial, LACP was enabled on the switch, but network is not working, what to check else, Proxmox 3.0

# network interface settings
auto lo
iface lo inet loopback

iface eth0 inet manual

iface eth1 inet manual

auto bond0
iface bond0 inet manual
slaves eth0 eth1
bond_miimon 100
bond_mode 802.3ad

auto vmbr0
iface vmbr0 inet static
address 192.168.1.233
netmask 255.255.255.0
gateway 192.168.1.1
bridge_ports bond0
bridge_stp off
bridge_fd 0