Ethernet device name appears with some weird name '__tmp1660522914' in Red Hat Enterprise Linux 5

Issue

• Interface name is not proper in ifconfig output for eth0 and eth1 devices.
• Ethernet devices (eth0 and eth1) appearing with some weird names instead of eth1 and eth0.

 [root@system]# ifconfig -a

    __tmp1660522914 Link encap:Ethernet  HWaddr 00:24:81:81:1A:08
              BROADCAST MULTICAST  MTU:1500  Metric:1
              RX packets:630 errors:0 dropped:0 overruns:0 frame:0
              TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
              collisions:0 txqueuelen:1000
              RX bytes:116930 (114.1 KiB)  TX bytes:0 (0.0 b)
              Memory:fdce0000-fdd00000

    __tmp1982505683 Link encap:Ethernet  HWaddr 00:24:81:81:1A:09
              BROADCAST MULTICAST  MTU:1500  Metric:1
              RX packets:630 errors:0 dropped:0 overruns:0 frame:0
              TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
              collisions:0 txqueuelen:1000
              RX bytes:116930 (114.1 KiB)  TX bytes:0 (0.0 b)
              Memory:fdde0000-fde00000