[  816.577143][T14799] netdevsim netdevsim658 eni658np1: renamed from eth1
[  816.605655][T14797] netdevsim netdevsim401 eni401np1: renamed from eth0
[  817.378125][T14785] Could not find device with ifindex 2000 in netnsfd 11
[  817.379031][T14785] Could not find netns with fd: 2000
[  817.379454][T14785] Cannot link a netdevsim to itself
[  817.379916][T14785] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).