[  517.202885] netdevsim netdevsim692 eni692np1: renamed from eth1
[  517.299946] netdevsim netdevsim286 eni286np1: renamed from eth0
[  517.559076] Could not find device with ifindex 2000 in netnsfd 11
[  517.559298] Could not find netns with fd: 2000
[  517.559402] Cannot link a netdevsim to itself
[  517.559536] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).