[  719.892115][T13098] netdevsim netdevsim497 eni497np1: renamed from eth0
[  719.909770][T13100] netdevsim netdevsim717 eni717np1: renamed from eth1
[  720.540581][T13086] Could not find device with ifindex 2000 in netnsfd 11
[  720.541464][T13086] Could not find netns with fd: 2000
[  720.541864][T13086] Cannot link a netdevsim to itself
[  720.542344][T13086] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).