after somes tests, i have found the problem.
information about hosts network :
name, active state, autostart, ports/slaves, ip adress
eth0, yes, no, ip adress empty
eth1, no, no, ip adress empty
eth2, no, no, ip adress empty
eth3, yes, yes, 192.168.192.1
vmbr0, yes, yes, eth0, 192.168.1.2...