[  692.555024][T13025] netdevsim netdevsim349 eni349np1: renamed from eth0
[  692.573753][T13027] netdevsim netdevsim729 eni729np1: renamed from eth1
[  693.195077][T13013] Could not find device with ifindex 2000 in netnsfd 11
[  693.199417][T13013] Could not find netns with fd: 2000
[  693.199960][T13013] Cannot link a netdevsim to itself
[  693.200551][T13013] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).