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