[  459.680935] netdevsim netdevsim269 eni269np1: renamed from eth0
[  459.681837] netdevsim netdevsim681 eni681np1: renamed from eth1
[  459.789968] Could not find device with ifindex 2000 in netnsfd 11
[  459.790074] Could not find netns with fd: 2000
[  459.790120] Cannot link a netdevsim to itself
[  459.790184] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).