[  806.385324][T14742] netdevsim netdevsim439 eni439np1: renamed from eth0
[  806.411672][T14745] netdevsim netdevsim734 eni734np1: renamed from eth1
[  807.030615][T14730] Could not find device with ifindex 2000 in netnsfd 11
[  807.031548][T14730] Could not find netns with fd: 2000
[  807.032022][T14730] Cannot link a netdevsim to itself
[  807.032626][T14730] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).