[  839.688315][T15659] netdevsim netdevsim258 eni258np1: renamed from eth0
[  839.721049][T15658] netdevsim netdevsim626 eni626np1: renamed from eth1
[  840.309544][T15647] Could not find device with ifindex 2000 in netnsfd 11
[  840.310761][T15647] Could not find netns with fd: 2000
[  840.311324][T15647] Cannot link a netdevsim to itself
[  840.311872][T15647] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).