openvpn bridge ( start delay )

[omid1979]

hi all,
 I am using opnsense with openvpn as bridge mode to enable site 2 site layer2 bridge network
I have a little problem . I configure my bridge interface as tap ( openvpn interface ) and lan Interface  but I have delay on openvpn connection in some time
How can I configure bridge Interface to start after OpenVPN start,
In other work most of the time when my server start  bridge interface not working  unitl I restart bridge manually ,
any one can help me how to config bridge interface to start after openvpn tap interface up and running ?