[  754.686633][T14439] netdevsim netdevsim397 eni397np1: renamed from eth0
[  754.706909][T14441] netdevsim netdevsim634 eni634np1: renamed from eth1
[  755.397804][T14427] Could not find device with ifindex 2000 in netnsfd 11
[  755.398487][T14427] Could not find netns with fd: 2000
[  755.399013][T14427] Cannot link a netdevsim to itself
[  755.399954][T14427] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).