[  835.131848][T15651] netdevsim netdevsim444 eni444np1: renamed from eth0
[  835.156919][T15652] netdevsim netdevsim759 eni759np1: renamed from eth1
[  835.873062][T15639] Could not find device with ifindex 2000 in netnsfd 11
[  835.873964][T15639] Could not find netns with fd: 2000
[  835.881774][T15639] Cannot link a netdevsim to itself
[  835.882908][T15639] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).