[  522.604622] netdevsim netdevsim334 eni334np1: renamed from eth0
[  522.701471] netdevsim netdevsim528 eni528np1: renamed from eth1
[  522.936751] Could not find device with ifindex 2000 in netnsfd 11
[  522.936953] Could not find netns with fd: 2000
[  522.937049] Cannot link a netdevsim to itself
[  522.937150] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).