[  810.802534][T15782] netdevsim netdevsim340 eni340np1: renamed from eth0
[  810.817158][T15780] netdevsim netdevsim581 eni581np1: renamed from eth1
[  811.457472][T15769] Could not find device with ifindex 2000 in netnsfd 11
[  811.458652][T15769] Could not find netns with fd: 2000
[  811.459365][T15769] Cannot link a netdevsim to itself
[  811.460007][T15769] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).