[  742.326716][T14500] netdevsim netdevsim327 eni327np1: renamed from eth0
[  742.344852][T14502] netdevsim netdevsim750 eni750np1: renamed from eth1
[  742.892098][T14488] Could not find device with ifindex 2000 in netnsfd 11
[  742.892845][T14488] Could not find netns with fd: 2000
[  742.893363][T14488] Cannot link a netdevsim to itself
[  742.893841][T14488] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).