[  690.465764][T13050] netdevsim netdevsim390 eni390np1: renamed from eth0
[  690.490825][T13052] netdevsim netdevsim658 eni658np1: renamed from eth1
[  691.095121][T13038] Could not find device with ifindex 2000 in netnsfd 11
[  691.096044][T13038] Could not find netns with fd: 2000
[  691.096654][T13038] Cannot link a netdevsim to itself
[  691.097123][T13038] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).