[  699.489681][T13021] netdevsim netdevsim290 eni290np1: renamed from eth0
[  699.511630][T13023] netdevsim netdevsim685 eni685np1: renamed from eth1
[  700.161766][T13008] Could not find device with ifindex 2000 in netnsfd 11
[  700.162736][T13008] Could not find netns with fd: 2000
[  700.163226][T13008] Cannot link a netdevsim to itself
[  700.163843][T13008] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).