[  522.209418] netdevsim netdevsim676 eni676np1: renamed from eth1
[  522.306623] netdevsim netdevsim436 eni436np1: renamed from eth0
[  522.533307] Could not find device with ifindex 2000 in netnsfd 11
[  522.533468] Could not find netns with fd: 2000
[  522.533558] Cannot link a netdevsim to itself
[  522.533660] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).