[  853.322392][T14779] netdevsim netdevsim404 eni404np1: renamed from eth0
[  853.328083][T14781] netdevsim netdevsim625 eni625np1: renamed from eth1
[  854.131414][T14767] Could not find device with ifindex 2000 in netnsfd 11
[  854.132266][T14767] Could not find netns with fd: 2000
[  854.132690][T14767] Cannot link a netdevsim to itself
[  854.133144][T14767] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).