[  742.804851][T14451] netdevsim netdevsim485 eni485np1: renamed from eth0
[  742.810566][T14453] netdevsim netdevsim635 eni635np1: renamed from eth1
[  743.322492][T14439] Could not find device with ifindex 2000 in netnsfd 11
[  743.323152][T14439] Could not find netns with fd: 2000
[  743.323505][T14439] Cannot link a netdevsim to itself
[  743.324038][T14439] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).