Bringing SR-IOV interface online with the cxgb4 driver results in "SIOCSIFFLAGS: Invalid argument"

Solution Verified - Updated -

Issue

  • When bringing a Chelsio SRIOV interface online utilizing the cxgb4 driver, using tools such as ip or ifconfig, the error "SIOCSIFFLAGS: Invalid argument" is shown as such:
# ifconfig ethX up
SIOCSIFFLAGS: Invalid argument

Environment

  • Red Hat Enterprise Linux 6
  • Red Hat Enterprise Linux 7
  • Chelsio Network interface utilizing cxgb4 driver, capable of SR-IOV

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