[  819.897856][T14628] netdevsim netdevsim467 eni467np1: renamed from eth0
[  819.915824][T14629] netdevsim netdevsim686 eni686np1: renamed from eth1
[  820.546103][T14616] Could not find device with ifindex 2000 in netnsfd 11
[  820.546611][T14616] Could not find netns with fd: 2000
[  820.546961][T14616] Cannot link a netdevsim to itself
[  820.547406][T14616] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).