[  833.115255][T15792] netdevsim netdevsim309 eni309np1: renamed from eth0
[  833.139917][T15791] netdevsim netdevsim609 eni609np1: renamed from eth1
[  833.863215][T15780] Could not find device with ifindex 2000 in netnsfd 11
[  833.864445][T15780] Could not find netns with fd: 2000
[  833.865272][T15780] Cannot link a netdevsim to itself
[  833.865947][T15780] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).