[  691.474169][T13051] netdevsim netdevsim290 eni290np1: renamed from eth0
[  691.485453][T13053] netdevsim netdevsim567 eni567np1: renamed from eth1
[  692.097712][T13039] Could not find device with ifindex 2000 in netnsfd 11
[  692.098525][T13039] Could not find netns with fd: 2000
[  692.099035][T13039] Cannot link a netdevsim to itself
[  692.099483][T13039] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).