After booting up coreos master nodes using kernel cmd line parameters , it initiates and the session is started. Both the nics along with the bond0 nw interface come up. The IP gives response to pings and the machine can be ssh-ed .
After sometime, the session terminates abruptly and the ip does not give a response to ping. From the vm console, it shows nothing. After rebooting the machine it shows the error where it states the network interfaces are not ready.
 Kernel cmd :
:: : : :bond0:none nameserver= bond=bond0: , :mode=active-backup.
 After master0 booted up, we were able to login and check bonded interface. After sometime the connection got automatically closed.
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