[  752.742016][T14714] netdevsim netdevsim316 eni316np1: renamed from eth0
[  752.760697][T14716] netdevsim netdevsim637 eni637np1: renamed from eth1
[  753.282428][T14702] Could not find device with ifindex 2000 in netnsfd 11
[  753.283195][T14702] Could not find netns with fd: 2000
[  753.283659][T14702] Cannot link a netdevsim to itself
[  753.284071][T14702] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).