Why after reboot system has an interface named renameX

Solution Verified - Updated -

Issue

  • Trying to rename network interfaces, after booting the system has an interface named renameX, why is this?
$grep Hwaddr ifconfig 
eth1      Link encap:Ethernet  HWaddr XX:XX:XX:XX:XX:01  
eth2      Link encap:Ethernet  HWaddr XX:XX:XX:XX:XX:02  
eth3      Link encap:Ethernet  HWaddr XX:XX:XX:XX:XX:03  
rename4   Link encap:Ethernet  HWaddr XX:XX:XX:XX:XX:04

  • Why udev fails to rename interface.

  • NIC naming in udev-147-2.40 is incorrect.

udev: renamed network interface ethX to renameX

Environment

  • Red Hat Enterprise Linux 6.2
  • Mellanox card - PCI-E Mellanox CX312A-FCBT dual port 10g NIC

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