[  861.465771][T15841] netdevsim netdevsim278 eni278np1: renamed from eth0
[  861.472469][T15840] netdevsim netdevsim766 eni766np1: renamed from eth1
[  862.107223][T15829] Could not find device with ifindex 2000 in netnsfd 11
[  862.108316][T15829] Could not find netns with fd: 2000
[  862.108950][T15829] Cannot link a netdevsim to itself
[  862.109670][T15829] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).