[  746.579635][T14431] netdevsim netdevsim502 eni502np1: renamed from eth0
[  746.601592][T14433] netdevsim netdevsim532 eni532np1: renamed from eth1
[  747.151897][T14419] Could not find device with ifindex 2000 in netnsfd 11
[  747.152446][T14419] Could not find netns with fd: 2000
[  747.152872][T14419] Cannot link a netdevsim to itself
[  747.153351][T14419] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).