[  522.516056] netdevsim netdevsim444 eni444np1: renamed from eth0
[  522.612732] netdevsim netdevsim528 eni528np1: renamed from eth1
[  522.858038] Could not find device with ifindex 2000 in netnsfd 11
[  522.858283] Could not find netns with fd: 2000
[  522.858415] Cannot link a netdevsim to itself
[  522.858566] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).