[  472.495162] netdevsim netdevsim357 eni357np1: renamed from eth0
[  472.495481] netdevsim netdevsim698 eni698np1: renamed from eth1
[  472.579222] Could not find device with ifindex 2000 in netnsfd 11
[  472.579314] Could not find netns with fd: 2000
[  472.579361] Cannot link a netdevsim to itself
[  472.579411] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).