Github user lmrv commented on the issue:
https://github.com/apache/cloudstack/pull/1637
Hi Resmo,
Correct. Most net commands are now replace by the ip command.
ip link set dev eth0 up
ip route
ip add
etc.
In our case, the ifconfig is not used by cloudstack-setup-agent, but the
route one is. This cause the setup-agent to crash if route is not installed
before.
Making the change can help deployment on CentOS7 and should work on CentOS6
out of the box.
Lots of changes have been made regardings the net on CentOS7. You should
now use nmtui in replacement of the system-config-network-tui by example.
Regards.
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