[  733.666229][T13049] netdevsim netdevsim297 eni297np1: renamed from eth0
[  733.700765][T13052] netdevsim netdevsim672 eni672np1: renamed from eth1
[  734.399568][T13037] Could not find device with ifindex 2000 in netnsfd 11
[  734.400405][T13037] Could not find netns with fd: 2000
[  734.400818][T13037] Cannot link a netdevsim to itself
[  734.404412][T13037] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).