[  768.672743][T14734] netdevsim netdevsim381 eni381np1: renamed from eth0
[  768.697364][T14736] netdevsim netdevsim595 eni595np1: renamed from eth1
[  769.239208][T14722] Could not find device with ifindex 2000 in netnsfd 11
[  769.239702][T14722] Could not find netns with fd: 2000
[  769.240074][T14722] Cannot link a netdevsim to itself
[  769.240514][T14722] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).