[  855.232984][T15652] netdevsim netdevsim448 eni448np1: renamed from eth0
[  855.241397][T15650] netdevsim netdevsim664 eni664np1: renamed from eth1
[  856.006382][T15639] Could not find device with ifindex 2000 in netnsfd 11
[  856.009190][T15639] Could not find netns with fd: 2000
[  856.009603][T15639] Cannot link a netdevsim to itself
[  856.010445][T15639] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).