[  762.860213][T14757] netdevsim netdevsim508 eni508np1: renamed from eth0
[  762.878612][T14759] netdevsim netdevsim587 eni587np1: renamed from eth1
[  763.460135][T14745] Could not find device with ifindex 2000 in netnsfd 11
[  763.460735][T14745] Could not find netns with fd: 2000
[  763.461112][T14745] Cannot link a netdevsim to itself
[  763.461541][T14745] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).