[  500.588659] netdevsim netdevsim410 eni410np1: renamed from eth0
[  500.589796] netdevsim netdevsim594 eni594np1: renamed from eth1
[  500.671689] Could not find device with ifindex 2000 in netnsfd 11
[  500.671779] Could not find netns with fd: 2000
[  500.671824] Cannot link a netdevsim to itself
[  500.671877] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).