[  689.181078][T13041] netdevsim netdevsim334 eni334np1: renamed from eth0
[  689.198744][T13043] netdevsim netdevsim572 eni572np1: renamed from eth1
[  689.830776][T13029] Could not find device with ifindex 2000 in netnsfd 11
[  689.831610][T13029] Could not find netns with fd: 2000
[  689.832028][T13029] Cannot link a netdevsim to itself
[  689.832487][T13029] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).