[  778.799570][T14727] netdevsim netdevsim308 eni308np1: renamed from eth0
[  778.846685][T14729] netdevsim netdevsim572 eni572np1: renamed from eth1
[  779.510964][T14715] Could not find device with ifindex 2000 in netnsfd 11
[  779.511517][T14715] Could not find netns with fd: 2000
[  779.511890][T14715] Cannot link a netdevsim to itself
[  779.512742][T14715] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).