Network Throughput with GPLPV is slow

Yep, so you've installed your GPLPV drivers and you're stoked, you go to test them out and you are getting in the low megabits or low kilobits transfer.  Ready to throw the whole thing out?  Not so soon!  Chances are even though your nice network card claims to have TCP Checksum Offloading, it isn't working right or isn't supported by the network driver.  You need to turn this stuff off on the GPLPV drivers and you can then watch your network traffic go back to normal.  Here's a few screen shots of where you go to do this:

Configure the PV Network Device:

Disable all the offload settings: