<div dir="ltr">I have found the following exception in VDSM log:<pre style="color:rgb(0,0,0)"><b>MainProcess|jsonrpc/0::DEBUG::2017-01-24 10:13:50,303::supervdsm_server::101::SuperVdsm.ServerCallback::(wrapper) return network_caps with {&#39;bridges&#39;: {&#39;ovirtmgmt&#39;: {&#39;ipv6autoconf&#39;: True, &#39;addr&#39;: &#39;192.168.201.2&#39;, &#39;dhcpv6&#39;: False, &#39;ipv6addrs&#39;: [], &#39;gateway&#39;: &#39;192.168.201.1&#39;, &#39;dhcpv4&#39;: True, &#39;netmask&#39;: &#39;255.255.255.0&#39;, &#39;ipv4defaultroute&#39;: True, &#39;stp&#39;: &#39;off&#39;, &#39;ipv4addrs&#39;: [&#39;<a href="http://192.168.201.2/24&#39;">192.168.201.2/24&#39;</a>], &#39;mtu&#39;: &#39;1500&#39;, &#39;ipv6gateway&#39;: &#39;::&#39;, &#39;ports&#39;: [&#39;eth0&#39;], &#39;opts&#39;: {&#39;multicast_last_member_count&#39;: &#39;2&#39;, &#39;hash_elasticity&#39;: &#39;4&#39;, &#39;multicast_query_response_interval&#39;: &#39;1000&#39;, &#39;group_fwd_mask&#39;: &#39;0x0&#39;, &#39;multicast_snooping&#39;: &#39;1&#39;, &#39;multicast_startup_query_interval&#39;: &#39;3125&#39;, &#39;hello_timer&#39;: &#39;15&#39;, &#39;multicast_querier_interval&#39;: &#39;25500&#39;, &#39;max_age&#39;: &#39;2000&#39;, &#39;hash_max&#39;: &#39;512&#39;, &#39;stp_state&#39;: &#39;0&#39;, &#39;topology_change_detected&#39;: &#39;0&#39;, &#39;priority&#39;: &#39;32768&#39;, &#39;multicast_membership_interval&#39;: &#39;26000&#39;, &#39;root_path_cost&#39;: &#39;0&#39;, &#39;root_port&#39;: &#39;0&#39;, &#39;multicast_querier&#39;: &#39;0&#39;, &#39;multicast_startup_query_count&#39;: &#39;2&#39;, &#39;nf_call_iptables&#39;: &#39;0&#39;, &#39;topology_change&#39;: &#39;0&#39;, &#39;hello_time&#39;: &#39;200&#39;, &#39;root_id&#39;: &#39;8000.5452c0a8c902&#39;, &#39;bridge_id&#39;: &#39;8000.5452c0a8c902&#39;, &#39;topology_change_timer&#39;: &#39;0&#39;, &#39;ageing_time&#39;: &#39;30000&#39;, &#39;nf_call_ip6tables&#39;: &#39;0&#39;, &#39;gc_timer&#39;: &#39;20299&#39;, &#39;nf_call_arptables&#39;: &#39;0&#39;, &#39;group_addr&#39;: &#39;1:80:c2:0:0:0&#39;, &#39;multicast_last_member_interval&#39;: &#39;100&#39;, &#39;default_pvid&#39;: &#39;1&#39;, &#39;multicast_query_interval&#39;: &#39;12500&#39;, &#39;tcn_timer&#39;: &#39;0&#39;, &#39;multicast_router&#39;: &#39;1&#39;, &#39;vlan_filtering&#39;: &#39;0&#39;, &#39;forward_delay&#39;: &#39;0&#39;}}}, &#39;bondings&#39;: {}, &#39;nameservers&#39;: [&#39;192.168.201.1&#39;], &#39;nics&#39;: {&#39;eth3&#39;: {&#39;ipv6autoconf&#39;: True, &#39;addr&#39;: &#39;192.168.202.212&#39;, &#39;ipv6gateway&#39;: &#39;fe80::5054:ff:fe65:57d6&#39;, &#39;dhcpv6&#39;: False, &#39;ipv6addrs&#39;: [], &#39;mtu&#39;: &#39;1500&#39;, &#39;dhcpv4&#39;: True, &#39;netmask&#39;: &#39;255.255.255.0&#39;, &#39;ipv4defaultroute&#39;: False, &#39;ipv4addrs&#39;: [&#39;<a href="http://192.168.202.212/24&#39;">192.168.202.212/24&#39;</a>], &#39;hwaddr&#39;: &#39;54:52:c0:a8:ca:03&#39;, &#39;speed&#39;: 0, &#39;gateway&#39;: &#39;192.168.202.1&#39;}, &#39;eth2&#39;: {&#39;ipv6autoconf&#39;: True, &#39;addr&#39;: &#39;192.168.202.211&#39;, &#39;ipv6gateway&#39;: &#39;::&#39;, &#39;dhcpv6&#39;: False, &#39;ipv6addrs&#39;: [], &#39;mtu&#39;: &#39;1500&#39;, &#39;dhcpv4&#39;: True, &#39;netmask&#39;: &#39;255.255.255.0&#39;, &#39;ipv4defaultroute&#39;: False, &#39;ipv4addrs&#39;: [&#39;<a href="http://192.168.202.211/24&#39;">192.168.202.211/24&#39;</a>], &#39;hwaddr&#39;: &#39;54:52:c0:a8:ca:02&#39;, &#39;speed&#39;: 0, &#39;gateway&#39;: &#39;192.168.202.1&#39;}, &#39;eth1&#39;: {&#39;ipv6autoconf&#39;: True, &#39;addr&#39;: &#39;192.168.200.143&#39;, &#39;ipv6gateway&#39;: &#39;::&#39;, &#39;dhcpv6&#39;: False, &#39;ipv6addrs&#39;: [], &#39;mtu&#39;: &#39;1500&#39;, &#39;dhcpv4&#39;: True, &#39;netmask&#39;: &#39;255.255.255.0&#39;, &#39;ipv4defaultroute&#39;: False, &#39;ipv4addrs&#39;: [&#39;<a href="http://192.168.200.143/24&#39;">192.168.200.143/24&#39;</a>], &#39;hwaddr&#39;: &#39;54:52:c0:a8:c8:02&#39;, &#39;speed&#39;: 0, &#39;gateway&#39;: &#39;192.168.200.1&#39;}, &#39;eth0&#39;: {&#39;ipv6autoconf&#39;: False, &#39;addr&#39;: &#39;&#39;, &#39;ipv6gateway&#39;: &#39;::&#39;, &#39;dhcpv6&#39;: False, &#39;ipv6addrs&#39;: [], &#39;mtu&#39;: &#39;1500&#39;, &#39;dhcpv4&#39;: False, &#39;netmask&#39;: &#39;&#39;, &#39;ipv4defaultroute&#39;: False, &#39;ipv4addrs&#39;: [], &#39;hwaddr&#39;: &#39;54:52:c0:a8:c9:02&#39;, &#39;speed&#39;: 0, &#39;gateway&#39;: &#39;&#39;}}, &#39;supportsIPv6&#39;: True, &#39;vlans&#39;: {}, &#39;networks&#39;: {&#39;ovirtmgmt&#39;: {&#39;dhcpv6&#39;: False, &#39;iface&#39;: &#39;ovirtmgmt&#39;, &#39;ipv6autoconf&#39;: True, &#39;addr&#39;: &#39;192.168.201.2&#39;, &#39;bridged&#39;: True, &#39;ipv6addrs&#39;: [], &#39;switch&#39;: &#39;legacy&#39;, &#39;gateway&#39;: &#39;192.168.201.1&#39;, &#39;dhcpv4&#39;: True, &#39;netmask&#39;: &#39;255.255.255.0&#39;, &#39;ipv4defaultroute&#39;: True, &#39;stp&#39;: &#39;off&#39;, &#39;ipv4addrs&#39;: [&#39;<a href="http://192.168.201.2/24&#39;">192.168.201.2/24&#39;</a>], &#39;mtu&#39;: &#39;1500&#39;, &#39;ipv6gateway&#39;: &#39;::&#39;, &#39;ports&#39;: [&#39;eth0&#39;]}}}
ifup/VLAN100_Network::DEBUG::2017-01-24 10:13:53,048::commands::93::root::(execCmd) FAILED: &lt;err&gt; = &#39;Running scope as unit 0e9c5843-c89e-499b-9057-1d70ea366504.scope.\n/etc/sysconfig/network-scripts/ifup-eth: line 297: 16535 Terminated              /sbin/dhclient ${DHCLIENTARGS} ${DEVICE}\nCannot find device &quot;VLAN100_Network&quot;\nDevice &quot;VLAN100_Network&quot; does not exist.\nDevice &quot;VLAN100_Network&quot; does not exist.\nDevice &quot;VLAN100_Network&quot; does not exist.\nDevice &quot;VLAN100_Network&quot; does not exist.\nDevice &quot;VLAN100_Network&quot; does not exist.\nDevice &quot;VLAN100_Network&quot; does not exist.\nDevice &quot;VLAN100_Network&quot; does not exist.\nDevice &quot;VLAN100_Network&quot; does not exist.\nDevice &quot;VLAN100_Network&quot; does not exist.\nDevice &quot;VLAN100_Network&quot; does not exist.\nDevice &quot;VLAN100_Network&quot; does not exist.\nDevice &quot;VLAN100_Network&quot; does not exist.\nDevice &quot;VLAN100_Network&quot; does not exist.\nDevice &quot;VLAN100_Network&quot; does not exist.\nDevice &quot;VLAN100_Network&quot; does not exist.\nDevice &quot;VLAN100_Network&quot; does not exist.\nDevice &quot;VLAN100_Network&quot; does not exist.\nDevice &quot;VLAN100_Network&quot; does not exist.\nDevice &quot;VLAN100_Network&quot; does not exist.\nDevice &quot;VLAN100_Network&quot; does not exist.\nDevice &quot;VLAN100_Network&quot; does not exist.\nDevice &quot;VLAN100_Network&quot; does not exist.\nDevice &quot;VLAN100_Network&quot; does not exist.\nDevice &quot;VLAN100_Network&quot; does not exist.\nDevice &quot;VLAN100_Network&quot; does not exist.\nDevice &quot;VLAN100_Network&quot; does not exist.\nDevice &quot;VLAN100_Network&quot; does not exist.\nDevice &quot;VLAN100_Network&quot; does not exist.\nDevice &quot;VLAN100_Network&quot; does not exist.\nDevice &quot;VLAN100_Network&quot; does not exist.\nDevice &quot;VLAN100_Network&quot; does not exist.\nDevice &quot;VLAN100_Network&quot; does not exist.\nDevice &quot;VLAN100_Network&quot; does not exist.\nDevice &quot;VLAN100_Network&quot; does not exist.\nDevice &quot;VLAN100_Network&quot; does not exist.\nDevice &quot;VLAN100_Network&quot; does not exist.\nDevice &quot;VLAN100_Network&quot; does not exist.\nDevice &quot;VLAN100_Network&quot; does not exist.\nDevice &quot;VLAN100_Network&quot; does not exist.\nDevice &quot;VLAN100_Network&quot; does not exist.\nDevice &quot;VLAN100_Network&quot; does not exist.\nDevice &quot;VLAN100_Network&quot; does not exist.\nDevice &quot;VLAN100_Network&quot; does not exist.\nDevice &quot;VLAN100_Network&quot; does not exist.\nDevice &quot;VLAN100_Network&quot; does not exist.\nDevice &quot;VLAN100_Network&quot; does not exist.\nDevice &quot;VLAN100_Network&quot; does not exist.\nDevice &quot;VLAN100_Network&quot; does not exist.\nDevice &quot;VLAN100_Network&quot; does not exist.\nDevice &quot;VLAN100_Network&quot; does not exist.\nDevice &quot;VLAN100_Network&quot; does not exist.\n&#39;; &lt;rc&gt; = 1
ifup/VLAN100_Network::ERROR::2017-01-24 10:13:53,049::concurrent::189::root::(run) FINISH thread &lt;Thread(ifup/VLAN100_Network, started daemon 140683650258688)&gt; failed
Traceback (most recent call last):
  File &quot;/usr/lib/python2.7/site-packages/vdsm/concurrent.py&quot;, line 185, in run
    ret = func(*args, **kwargs)
  File &quot;/usr/lib/python2.7/site-packages/vdsm/network/configurators/ifcfg.py&quot;, line 910, in _exec_ifup
    _exec_ifup_by_name(<a href="http://iface.name">iface.name</a>, cgroup)
  File &quot;/usr/lib/python2.7/site-packages/vdsm/network/configurators/ifcfg.py&quot;, line 896, in _exec_ifup_by_name
    raise ConfigNetworkError(ERR_FAILED_IFUP, out[-1] if out else &#39;&#39;)
ConfigNetworkError: (29, &#39;Determining IPv6 information for VLAN100_Network... failed.&#39;)</b></pre><pre style="color:rgb(0,0,0)"><b><br></b></pre>Can someone please assist (logs for engine and vdsm [1])?<br><br>[1] <a href="http://jenkins.ovirt.org/job/test-repo_ovirt_experimental_master/4935/artifact/exported-artifacts/basic_suite_master.sh-el7/test_logs/basic-suite-master/post-004_basic_sanity.py/">http://jenkins.ovirt.org/job/test-repo_ovirt_experimental_master/4935/artifact/exported-artifacts/basic_suite_master.sh-el7/test_logs/basic-suite-master/post-004_basic_sanity.py/</a><br><br>Thanks<br>Gil</div>