[  769.173149][T14574] netdevsim netdevsim323 eni323np1: renamed from eth0
[  769.197449][T14575] netdevsim netdevsim668 eni668np1: renamed from eth1
[  769.780182][T14562] Could not find device with ifindex 2000 in netnsfd 11
[  769.780807][T14562] Could not find netns with fd: 2000
[  769.781263][T14562] Cannot link a netdevsim to itself
[  769.781822][T14562] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).