[  832.369534][T15670] netdevsim netdevsim420 eni420np1: renamed from eth0
[  832.396270][T15673] netdevsim netdevsim736 eni736np1: renamed from eth1
[  833.190031][T15658] Could not find device with ifindex 2000 in netnsfd 11
[  833.190704][T15658] Could not find netns with fd: 2000
[  833.191197][T15658] Cannot link a netdevsim to itself
[  833.191770][T15658] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).