[  807.279996][T15659] netdevsim netdevsim420 eni420np1: renamed from eth0
[  807.300825][T15657] netdevsim netdevsim766 eni766np1: renamed from eth1
[  807.922379][T15645] Could not find device with ifindex 2000 in netnsfd 11
[  807.923063][T15645] Could not find netns with fd: 2000
[  807.923956][T15645] Cannot link a netdevsim to itself
[  807.924701][T15645] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).