[  861.979454][T15849] netdevsim netdevsim468 eni468np1: renamed from eth0
[  861.989161][T15847] netdevsim netdevsim745 eni745np1: renamed from eth1
[  862.811521][T15835] Could not find device with ifindex 2000 in netnsfd 11
[  862.812239][T15835] Could not find netns with fd: 2000
[  862.812737][T15835] Cannot link a netdevsim to itself
[  862.813264][T15835] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).