[  521.710132] netdevsim netdevsim408 eni408np1: renamed from eth0
[  521.806558] netdevsim netdevsim580 eni580np1: renamed from eth1
[  522.055349] Could not find device with ifindex 2000 in netnsfd 11
[  522.055550] Could not find netns with fd: 2000
[  522.055647] Cannot link a netdevsim to itself
[  522.055759] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).