[  698.819801][T13030] netdevsim netdevsim256 eni256np1: renamed from eth0
[  698.840706][T13032] netdevsim netdevsim607 eni607np1: renamed from eth1
[  699.505679][T13018] Could not find device with ifindex 2000 in netnsfd 11
[  699.506723][T13018] Could not find netns with fd: 2000
[  699.507138][T13018] Cannot link a netdevsim to itself
[  699.507611][T13018] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).