[  524.332127] netdevsim netdevsim696 eni696np1: renamed from eth1
[  524.429829] netdevsim netdevsim418 eni418np1: renamed from eth0
[  524.683754] Could not find device with ifindex 2000 in netnsfd 11
[  524.683986] Could not find netns with fd: 2000
[  524.684085] Cannot link a netdevsim to itself
[  524.684224] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).