[  835.738540][T15841] netdevsim netdevsim723 eni723np1: renamed from eth1
[  835.753948][T15840] netdevsim netdevsim498 eni498np1: renamed from eth0
[  836.474826][T15827] Could not find device with ifindex 2000 in netnsfd 11
[  836.475607][T15827] Could not find netns with fd: 2000
[  836.476195][T15827] Cannot link a netdevsim to itself
[  836.476823][T15827] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).