Problem :device ethX does not seem to be present, delaying initialization…
Solution: fix the problem by deleting the /etc/udev/rules.d/70-persistent-net.rules file and restarting server.
Step 1:Restart network daemon.
#Service network restart
Shutting down loopback interface:
Bringing up loopback interface:
Bringing up interface eth0: Device eth0 does not seem to be present, delaying initialization.
#rm -rf /etc/udev/rules.d/70-persistent-net.rules
If your server is virtualbox;
step 1:copy the mac address from the inside file “/etc/sysconfig/network-scripts/ifcfg-eth0” to the host to virtualbox–>Settings–>network–>Adapter 1–>advanced–>MAc address
#service network reload