[  488.479340] netdevsim netdevsim598 eni598np1: renamed from eth1
[  488.575649] netdevsim netdevsim327 eni327np1: renamed from eth0
[  488.814823] Could not find device with ifindex 2000 in netnsfd 11
[  488.815270] Could not find netns with fd: 2000
[  488.815369] Cannot link a netdevsim to itself
[  488.815497] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).