[  748.402043][T14575] netdevsim netdevsim481 eni481np1: renamed from eth0
[  748.416784][T14576] netdevsim netdevsim636 eni636np1: renamed from eth1
[  748.945695][T14563] Could not find device with ifindex 2000 in netnsfd 11
[  748.946354][T14563] Could not find netns with fd: 2000
[  748.946692][T14563] Cannot link a netdevsim to itself
[  748.947078][T14563] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).