Ethernet interface not detected

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Hi,

I've installed RHEL 7.6 on Supermicro SYS-2029U-TRT, but ethernet interface is not detected.

Support asked me to install ixgbe-5.5 driver. I've followed the instalation notes , but when I use "dmesg" command I receive the following answer:

ixgbe: loading out-of-tree module taints kernel.
ixgbe: module verification failed: signature and/or required key missing - tainting kernel
Intel(R) 10GbE PCI Express Linux Network Driver - version 5.5.5

and when I use "ip addr" the interface is not there.

JB

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