[  833.521754][T15808] netdevsim netdevsim507 eni507np1: renamed from eth0
[  833.551625][T15810] netdevsim netdevsim716 eni716np1: renamed from eth1
[  834.324691][T15795] Could not find device with ifindex 2000 in netnsfd 11
[  834.325371][T15795] Could not find netns with fd: 2000
[  834.325851][T15795] Cannot link a netdevsim to itself
[  834.326409][T15795] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).