[  812.476595][T15816] netdevsim netdevsim315 eni315np1: renamed from eth0
[  812.495759][T15818] netdevsim netdevsim527 eni527np1: renamed from eth1
[  813.094665][T15803] Could not find device with ifindex 2000 in netnsfd 11
[  813.095818][T15803] Could not find netns with fd: 2000
[  813.096412][T15803] Cannot link a netdevsim to itself
[  813.097113][T15803] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).