[  712.231336][T13027] netdevsim netdevsim431 eni431np1: renamed from eth0
[  712.253542][T13030] netdevsim netdevsim622 eni622np1: renamed from eth1
[  713.448461][T13015] Could not find device with ifindex 2000 in netnsfd 11
[  713.449433][T13015] Could not find netns with fd: 2000
[  713.449931][T13015] Cannot link a netdevsim to itself
[  713.450536][T13015] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).