Uninstall ind Install OpenOnload

 First

 onload_uninstall

 

Go to  /root/onload/scripts/

 ./onload_install
 

 Then

 onload_tool reload --onload-only

 

If you want to run onload tcpdump then need install libpcap-devel.

Then  uninstall and install onload (Do above steps)

libpcap-devel-1.5.3-13.el7_9.x86_64.rpm
 

Run below to see pcap is already installed

rpm -q libpcap libpcap-devel                 

libpcap-1.5.3-13.el7_9.x86_64
libpcap-devel-1.5.3-13.el7_9.x86_64