Issue was in manually patched /etc/sysconfig/network-scripts-vrouter-dpdk-env file. There were names of containers commented that is why ifdown script was not able to stop dkdk container and rebind scripts hangs because of opened descriptors.
Issue was in manually patched /etc/sysconfig/ network- scripts- vrouter- dpdk-env file. There were names of containers commented that is why ifdown script was not able to stop dkdk container and rebind scripts hangs because of opened descriptors.