[  520.585334] netdevsim netdevsim418 eni418np1: renamed from eth0
[  520.682360] netdevsim netdevsim627 eni627np1: renamed from eth1
[  520.919401] Could not find device with ifindex 2000 in netnsfd 11
[  520.919584] Could not find netns with fd: 2000
[  520.919684] Cannot link a netdevsim to itself
[  520.919797] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).