[  799.357209][T14769] netdevsim netdevsim309 eni309np1: renamed from eth0
[  799.369793][T14771] netdevsim netdevsim558 eni558np1: renamed from eth1
[  800.080193][T14757] Could not find device with ifindex 2000 in netnsfd 11
[  800.081036][T14757] Could not find netns with fd: 2000
[  800.081533][T14757] Cannot link a netdevsim to itself
[  800.081954][T14757] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).