[  697.803136][T13012] netdevsim netdevsim297 eni297np1: renamed from eth0
[  697.816885][T13014] netdevsim netdevsim743 eni743np1: renamed from eth1
[  698.452247][T13000] Could not find device with ifindex 2000 in netnsfd 11
[  698.453121][T13000] Could not find netns with fd: 2000
[  698.453528][T13000] Cannot link a netdevsim to itself
[  698.454015][T13000] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).