[  490.726105] netdevsim netdevsim390 eni390np1: renamed from eth0
[  490.726816] netdevsim netdevsim692 eni692np1: renamed from eth1
[  490.821034] Could not find device with ifindex 2000 in netnsfd 11
[  490.821199] Could not find netns with fd: 2000
[  490.821318] Cannot link a netdevsim to itself
[  490.821452] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).