[  752.593481][T14566] netdevsim netdevsim440 eni440np1: renamed from eth0
[  752.648231][T14569] netdevsim netdevsim647 eni647np1: renamed from eth1
[  753.327929][T14554] Could not find device with ifindex 2000 in netnsfd 11
[  753.328525][T14554] Could not find netns with fd: 2000
[  753.329062][T14554] Cannot link a netdevsim to itself
[  753.329691][T14554] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).