[  802.988589][T15767] netdevsim netdevsim264 eni264np1: renamed from eth0
[  803.007153][T15765] netdevsim netdevsim638 eni638np1: renamed from eth1
[  803.611088][T15754] Could not find device with ifindex 2000 in netnsfd 11
[  803.611759][T15754] Could not find netns with fd: 2000
[  803.612577][T15754] Cannot link a netdevsim to itself
[  803.613259][T15754] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).