Don't configure wi-fi (wireless) if/when (wired) ethernet is connected?

Is there a way to have mac os x not configure the wireless if/when the wired ethernet is "Connected".
My problem is that the wired connection is much more robust and I would prefer that connection.
I want both to use dhcp and request a hostname to be associated with the IP given by dhcp.
Since the wireless will almost always come up after the wired ethernet, it seem to want to
still the hostname to IP association and establish it for the wireless IP address.
This is not what I want.
The use case: put laptop to sleep.  Move to a location that has wired ethernet.
Laptop is still asleep with the lid closed. Connect the wired ethernet cable.
Open the lid. Laptop wakes up and quickly establishes a connection using
dhcp on the wired ethernet.   I little time later the wireless connection gets established.
The hostname get stolen from the wired and moved to the wireless which is
not at all optimal.
If there is anyway to avoid this, I would really appreciate it if someone could point
me to the solution.
Thanks.

This is a bug in OS X. It seems if WiFi is on, even if there is a Ethernet cable connected it always defaults to the WiFi connection. Even if the WiFi is off and you have a Ethernet cable connected when you turn on the computer and then turn on WiFi it again defaults to the WiFi connection.
I notice this all the time with file transfers across my home LAN. If the MBP WiFi is on the transfers take forever.
If I turn off WiFi files move much quicker from computer to computer. If I then turn on WiFi and do another transfer it goes slow again. This is with a Ethernet cable connected the whole time.
The computer, any computer, should aways default to the fastest connection no matter what other connections are available. In OS X this is not the case.
The other bug you are seeing is the NetBIOS name, Host name, not being propagated properly on the WINS tab under Network, Advanced, WINS, at least it is for me. Which stops Windows PCs from connecting to a Mac.
Sure the Mac Host name shows up on Win PCs but when trying to reach the Mac it comes up with a Username & Password dialog and even though you type in the correct Username & Password for the Mac it comes back with "Name or Password are incorrect".

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