[  703.852128][T13057] netdevsim netdevsim511 eni511np1: renamed from eth0
[  703.856679][T13058] netdevsim netdevsim588 eni588np1: renamed from eth1
[  704.535885][T13044] Could not find device with ifindex 2000 in netnsfd 11
[  704.536731][T13044] Could not find netns with fd: 2000
[  704.537131][T13044] Cannot link a netdevsim to itself
[  704.537600][T13044] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).