ifup/VLAN100_Network::DEBUG::2017-03-08 22:24:22,832::commands::93::root::(execCmd) FAILED: <err> = 'Running scope as unit ff994cde-b66d-4d54-9e36-fc253682608f.scope.\n/etc/sysconfig/network-scripts/ifup-eth: line 297: 16985 Terminated              /sbin/dhclient ${DHCLIENTARGS} ${DEVICE}\nCannot find device "VLAN100_Network"\nDevice "VLAN100_Network" does not exist.\nDevice "VLAN100_Network" does not exist.\nDevice "VLAN100_Network" does not exist.\nDevice "VLAN100_Network" does not exist.\nDevice "VLAN100_Network" does not exist.\nDevice "VLAN100_Network" does not exist.\nDevice "VLAN100_Network" does not exist.\nDevice "VLAN100_Network" does not exist.\nDevice "VLAN100_Network" does not exist.\nDevice "VLAN100_Network" does not exist.\nDevice "VLAN100_Network" does not exist.\nDevice "VLAN100_Network" does not exist.\nDevice "VLAN100_Network" does not exist.\nDevice "VLAN100_Network" does not exist.\nDevice "VLAN100_Network" does not exist.\nDevice "VLAN100_Network" does not exist.\nDevice "VLAN100_Network" does not exist.\nDevice "VLAN100_Network" does not exist.\nDevice "VLAN100_Network" does not exist.\nDevice "VLAN100_Network" does not exist.\nDevice "VLAN100_Network" does not exist.\nDevice "VLAN100_Network" does not exist.\nDevice "VLAN100_Network" does not exist.\nDevice "VLAN100_Network" does not exist.\nDevice "VLAN100_Network" does not exist.\nDevice "VLAN100_Network" does not exist.\nDevice "VLAN100_Network" does not exist.\nDevice "VLAN100_Network" does not exist.\nDevice "VLAN100_Network" does not exist.\nDevice "VLAN100_Network" does not exist.\nDevice "VLAN100_Network" does not exist.\nDevice "VLAN100_Network" does not exist.\nDevice "VLAN100_Network" does not exist.\nDevice "VLAN100_Network" does not exist.\nDevice "VLAN100_Network" does not exist.\nDevice "VLAN100_Network" does not exist.\nDevice "VLAN100_Network" does not exist.\nDevice "VLAN100_Network" does not exist.\nDevice "VLAN100_Network" does not exist.\nDevice "VLAN100_Network" does not exist.\nDevice "VLAN100_Network" does not exist.\nDevice "VLAN100_Network" does not exist.\nDevice "VLAN100_Network" does not exist.\nDevice "VLAN100_Network" does not exist.\nDevice "VLAN100_Network" does not exist.\nDevice "VLAN100_Network" does not exist.\nDevice "VLAN100_Network" does not exist.\nDevice "VLAN100_Network" does not exist.\nDevice "VLAN100_Network" does not exist.\nDevice "VLAN100_Network" does not exist.\nDevice "VLAN100_Network" does not exist.\n'; <rc> = 1
ifup/VLAN100_Network::ERROR::2017-03-08 22:24:22,832::utils::371::root::(wrapper) Unhandled exception
Traceback (most recent call last):
  File "/usr/lib/python2.7/site-packages/vdsm/utils.py", line 368, in wrapper
    return f(*a, **kw)
  File "/usr/lib/python2.7/site-packages/vdsm/concurrent.py", line 180, in run
    return func(*args, **kwargs)
  File "/usr/lib/python2.7/site-packages/vdsm/network/configurators/ifcfg.py", line 924, in _exec_ifup
    _exec_ifup_by_name(iface.name, cgroup)
  File "/usr/lib/python2.7/site-packages/vdsm/network/configurators/ifcfg.py", line 910, in _exec_ifup_by_name
    raise ConfigNetworkError(ERR_FAILED_IFUP, out[-1] if out else '')
ConfigNetworkError: (29, 'Determining IPv6 information for VLAN100_Network... failed.')