[  523.813362] netdevsim netdevsim405 eni405np1: renamed from eth0
[  523.910330] netdevsim netdevsim734 eni734np1: renamed from eth1
[  524.120178] Could not find device with ifindex 2000 in netnsfd 11
[  524.120332] Could not find netns with fd: 2000
[  524.120403] Cannot link a netdevsim to itself
[  524.120488] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).