Comment 2 for bug 1634437

After revert I have installed fuel-migrate

[root@nailgun ~]# yum whatprovides fuel-migrate
Loaded plugins: fastestmirror, priorities
Loading mirror speeds from cached hostfile
 * mos9.0-security: mirror.seed-cz1.fuel-infra.org
 * mos9.0-updates: mirror.seed-cz1.fuel-infra.org
fuel-migrate-9.0.0-1.mos8460.noarch : Fuel migrate utility
Repo : mos

fuel-migrate-9.0.0-1.mos8607.noarch : Fuel migrate utility
Repo : mos9.0-updates

fuel-migrate-9.0.0-1.mos8607.noarch : Fuel migrate utility
Repo : @mos9.0-updates

[root@nailgun ~]# yum info fuel-migrate
Loaded plugins: fastestmirror, priorities
Loading mirror speeds from cached hostfile
 * mos9.0-security: mirror.seed-cz1.fuel-infra.org
 * mos9.0-updates: mirror.seed-cz1.fuel-infra.org
Installed Packages
Name : fuel-migrate
Arch : noarch
Version : 9.0.0
Release : 1.mos8607
Size : 18 k
Repo : installed
From repo : mos9.0-updates
Summary : Fuel migrate utility
URL : http://github.com/openstack/fuel-library
License : Apache 2.0
Description : Script for migrate Fuel master into vm

[root@nailgun ~]# fuel-migrate

Usage:

 fuel-migrate DESTINATION_COMPUTE [ OPTIONS ]

 DESTINATION_COMPUTE: Name or IP of compute node where VM will be created

 OPTIONS:

 --fvm_disk_size Disk size for the destination VM. Default is '100g'
 --fvm_name Name for the destination VM. Default is 'fuel_master'
 --fvm_ram Amount of RAM (in MB) for the destination VM. Default is '2048'
 --fvm_cpu Number of CPU cores for the destination VM. Default is '2'
 --migrate_log Path for log file. Default is '/var/log/fuel-migrate.log'
 --fuel_astute Location of Fuel configuration file. Default is '/etc/fuel/astute.yaml'
 --dkvm_folder Path to folder on kvm host where disk will be created. Default is '/var/lib/nova/'
 --admin_net_br Bridge which will be used for connecting VM admin interface. Default is 'br-fw-admin'
 --admin_net_b_type Additional data to put inside network interface block definition. For example "<virtualport type='openvswitch'/>" By default empty
 --other_net_bridges Comma separated set of other net interfaces which will be created. Contains 3*X parameters name_of_nic,bridge_on_kvm,additional_data. Where X is number of additional nics,
     name_of_nic looks like eth1, second two are similar to admin_net_br and admin_net_b_type
 --os_swap Size of swap volume. By default 2*RAM size
 --os_root Size of root volume. By default the same as source
 --os_var Size for the var volume. By default 20% of the remaining free space. (Will be applied in order prompted here)
 --os_varlibdocker Size of varlibdocker volume. By default 30% of the remaining free space.
 --os_varlog Size of varlog volume. By default 100% of the remaining free space.
 --fm_reboot Would you like to automatically reboot the machine and begin data sync process? 'yes' or 'no'. Default is 'yes'
 --del_vm Remove destination VM if it already exists? 'yes' or 'no'. Default is 'no'
 --max_worktime Timeout for entire migration process in seconds. Default is 7200
 --help Show this help message and exit

Seems, that was network error