[  484.551926] netdevsim netdevsim374 eni374np1: renamed from eth0
[  484.552521] netdevsim netdevsim587 eni587np1: renamed from eth1
[  484.643009] Could not find device with ifindex 2000 in netnsfd 11
[  484.643151] Could not find netns with fd: 2000
[  484.643257] Cannot link a netdevsim to itself
[  484.643375] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).