[  770.653873][T14474] netdevsim netdevsim488 eni488np1: renamed from eth0
[  770.673026][T14476] netdevsim netdevsim601 eni601np1: renamed from eth1
[  771.288942][T14462] Could not find device with ifindex 2000 in netnsfd 11
[  771.289528][T14462] Could not find netns with fd: 2000
[  771.289919][T14462] Cannot link a netdevsim to itself
[  771.290753][T14462] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).