[  751.069815][T13048] netdevsim netdevsim507 eni507np1: renamed from eth0
[  751.098931][T13050] netdevsim netdevsim516 eni516np1: renamed from eth1
[  751.846922][T13036] Could not find device with ifindex 2000 in netnsfd 11
[  751.847782][T13036] Could not find netns with fd: 2000
[  751.848351][T13036] Cannot link a netdevsim to itself
[  751.848884][T13036] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).