[  781.870995][T14763] netdevsim netdevsim333 eni333np1: renamed from eth0
[  781.881746][T14765] netdevsim netdevsim730 eni730np1: renamed from eth1
[  782.596164][T14751] Could not find device with ifindex 2000 in netnsfd 11
[  782.596849][T14751] Could not find netns with fd: 2000
[  782.597345][T14751] Cannot link a netdevsim to itself
[  782.597940][T14751] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).