[  704.477019][T13081] netdevsim netdevsim375 eni375np1: renamed from eth0
[  704.505863][T13083] netdevsim netdevsim631 eni631np1: renamed from eth1
[  705.296265][T13068] Could not find device with ifindex 2000 in netnsfd 11
[  705.297196][T13068] Could not find netns with fd: 2000
[  705.297715][T13068] Cannot link a netdevsim to itself
[  705.298294][T13068] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).