[  960.981160][T12753] netdevsim netdevsim290 eni290np1: renamed from eth0
[  960.991597][T12754] netdevsim netdevsim533 eni533np1: renamed from eth1
[  962.507049][T12745] Could not find device with ifindex 2000 in netnsfd 11
[  962.507923][T12745] Could not find netns with fd: 2000
[  962.508817][T12745] Cannot link a netdevsim to itself
[  962.509547][T12745] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).