[  888.454028][T14780] netdevsim netdevsim315 eni315np1: renamed from eth0
[  888.472670][T14782] netdevsim netdevsim678 eni678np1: renamed from eth1
[  889.085045][T14768] Could not find device with ifindex 2000 in netnsfd 11
[  889.089559][T14768] Could not find netns with fd: 2000
[  889.090008][T14768] Cannot link a netdevsim to itself
[  889.090524][T14768] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).