[  697.100333][T13037] netdevsim netdevsim307 eni307np1: renamed from eth0
[  697.119377][T13039] netdevsim netdevsim729 eni729np1: renamed from eth1
[  697.773201][T13024] Could not find device with ifindex 2000 in netnsfd 11
[  697.774098][T13024] Could not find netns with fd: 2000
[  697.774549][T13024] Cannot link a netdevsim to itself
[  697.775029][T13024] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).