> service open-iscsi start
 * Starting iSCSI initiator service iscsid                                                                                                                                   [ OK ]
 * Setting up iSCSI targets
Logging in to [iface: default, target: iqn.2010-10.org.openstack:volume-256da0d5-0dcd-49a1-96ba-5a7da4d8fd28, portal: 12.34.56.78,3260] (multiple)
Logging in to [iface: default, target: iqn.2010-10.org.openstack:volume-639e0a87-1190-42d4-b3a1-a385090aec06, portal: 12.34.56.78,3260] (multiple)
Logging in to [iface: default, target: iqn.2010-10.org.openstack:volume-745fe77b-c7b5-4349-a6ce-2115ea2ff860, portal: 12.34.56.78,3260] (multiple)
Logging in to [iface: default, target: iqn.2010-10.org.openstack:volume-addc48dd-7e9e-4df1-bdd3-ba2ab562b3cb, portal: 12.34.56.78,3260] (multiple)
Logging in to [iface: default, target: iqn.2010-10.org.openstack:volume-8527c049-274b-4fc2-9b59-c874d1e9a591, portal: 12.34.56.78,3260] (multiple)
Logging in to [iface: default, target: iqn.2010-10.org.openstack:volume-9385b49a-fb68-45e5-8ec6-7c47515dd4d3, portal: 12.34.56.78,3260] (multiple)
Logging in to [iface: default, target: iqn.2010-10.org.openstack:volume-537983bd-28a2-43e9-9aa2-995c99214255, portal: 12.34.56.78,3260] (multiple)
Login to [iface: default, target: iqn.2010-10.org.openstack:volume-256da0d5-0dcd-49a1-96ba-5a7da4d8fd28, portal: 12.34.56.78,3260] successful.
iscsiadm: Could not login to [iface: default, target: iqn.2010-10.org.openstack:volume-639e0a87-1190-42d4-b3a1-a385090aec06, portal: 12.34.56.78,3260].
iscsiadm: initiator reported error (19 - encountered non-retryable iSCSI login failure)
iscsiadm: Could not login to [iface: default, target: iqn.2010-10.org.openstack:volume-745fe77b-c7b5-4349-a6ce-2115ea2ff860, portal: 12.34.56.78,3260].
iscsiadm: initiator reported error (19 - encountered non-retryable iSCSI login failure)
iscsiadm: Could not login to [iface: default, target: iqn.2010-10.org.openstack:volume-addc48dd-7e9e-4df1-bdd3-ba2ab562b3cb, portal: 12.34.56.78,3260].
iscsiadm: initiator reported error (19 - encountered non-retryable iSCSI login failure)
iscsiadm: Could not login to [iface: default, target: iqn.2010-10.org.openstack:volume-8527c049-274b-4fc2-9b59-c874d1e9a591, portal: 12.34.56.78,3260].
iscsiadm: initiator reported error (19 - encountered non-retryable iSCSI login failure)
iscsiadm: Could not login to [iface: default, target: iqn.2010-10.org.openstack:volume-9385b49a-fb68-45e5-8ec6-7c47515dd4d3, portal: 12.34.56.78,3260].
iscsiadm: initiator reported error (19 - encountered non-retryable iSCSI login failure)
iscsiadm: Could not login to [iface: default, target: iqn.2010-10.org.openstack:volume-537983bd-28a2-43e9-9aa2-995c99214255, portal: 12.34.56.78,3260].
iscsiadm: initiator reported error (19 - encountered non-retryable iSCSI login failure)
iscsiadm: Could not log into all portals