[  720.221481][T13060] netdevsim netdevsim322 eni322np1: renamed from eth0
[  720.240173][T13062] netdevsim netdevsim522 eni522np1: renamed from eth1
[  720.841451][T13048] Could not find device with ifindex 2000 in netnsfd 11
[  720.842356][T13048] Could not find netns with fd: 2000
[  720.842919][T13048] Cannot link a netdevsim to itself
[  720.843515][T13048] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).