[  797.936844][T14589] netdevsim netdevsim487 eni487np1: renamed from eth0
[  797.942260][T14590] netdevsim netdevsim727 eni727np1: renamed from eth1
[  798.584894][T14576] Could not find device with ifindex 2000 in netnsfd 11
[  798.585733][T14576] Could not find netns with fd: 2000
[  798.595394][T14576] Cannot link a netdevsim to itself
[  798.596175][T14576] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).