[  840.291578][T15787] netdevsim netdevsim339 eni339np1: renamed from eth0
[  840.317906][T15790] netdevsim netdevsim536 eni536np1: renamed from eth1
[  841.028524][T15775] Could not find device with ifindex 2000 in netnsfd 11
[  841.029146][T15775] Could not find netns with fd: 2000
[  841.029523][T15775] Cannot link a netdevsim to itself
[  841.029943][T15775] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).