[  736.056070][T13078] netdevsim netdevsim501 eni501np1: renamed from eth0
[  736.077404][T13080] netdevsim netdevsim522 eni522np1: renamed from eth1
[  736.767071][T13066] Could not find device with ifindex 2000 in netnsfd 11
[  736.768524][T13066] Could not find netns with fd: 2000
[  736.769293][T13066] Cannot link a netdevsim to itself
[  736.770247][T13066] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).