[  471.164981] netdevsim netdevsim746 eni746np1: renamed from eth1
[  471.165342] netdevsim netdevsim262 eni262np1: renamed from eth0
[  471.240201] Could not find device with ifindex 2000 in netnsfd 11
[  471.240288] Could not find netns with fd: 2000
[  471.240329] Cannot link a netdevsim to itself
[  471.240383] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).