[  797.280935][T15779] netdevsim netdevsim453 eni453np1: renamed from eth0
[  797.310401][T15781] netdevsim netdevsim672 eni672np1: renamed from eth1
[  797.889144][T15766] Could not find device with ifindex 2000 in netnsfd 11
[  797.889705][T15766] Could not find netns with fd: 2000
[  797.890069][T15766] Cannot link a netdevsim to itself
[  797.890519][T15766] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).