[  789.840942][T14598] netdevsim netdevsim393 eni393np1: renamed from eth0
[  789.844068][T14599] netdevsim netdevsim564 eni564np1: renamed from eth1
[  790.555594][T14585] Could not find device with ifindex 2000 in netnsfd 11
[  790.556389][T14585] Could not find netns with fd: 2000
[  790.556895][T14585] Cannot link a netdevsim to itself
[  790.557778][T14585] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).