[  753.952579][T14632] netdevsim netdevsim496 eni496np1: renamed from eth0
[  753.962187][T14634] netdevsim netdevsim635 eni635np1: renamed from eth1
[  754.513097][T14620] Could not find device with ifindex 2000 in netnsfd 11
[  754.513581][T14620] Could not find netns with fd: 2000
[  754.513945][T14620] Cannot link a netdevsim to itself
[  754.514356][T14620] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).