[  822.009322][T15824] netdevsim netdevsim507 eni507np1: renamed from eth0
[  822.021191][T15822] netdevsim netdevsim514 eni514np1: renamed from eth1
[  822.700493][T15810] Could not find device with ifindex 2000 in netnsfd 11
[  822.701183][T15810] Could not find netns with fd: 2000
[  822.702549][T15810] Cannot link a netdevsim to itself
[  822.703113][T15810] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).