[  694.027649][T13028] netdevsim netdevsim507 eni507np1: renamed from eth0
[  694.058101][T13031] netdevsim netdevsim614 eni614np1: renamed from eth1
[  694.677863][T13015] Could not find device with ifindex 2000 in netnsfd 11
[  694.678791][T13015] Could not find netns with fd: 2000
[  694.679187][T13015] Cannot link a netdevsim to itself
[  694.679653][T13015] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).