[  759.584697][T14648] netdevsim netdevsim510 eni510np1: renamed from eth0
[  759.593325][T14647] netdevsim netdevsim655 eni655np1: renamed from eth1
[  760.169090][T14635] Could not find device with ifindex 2000 in netnsfd 11
[  760.169654][T14635] Could not find netns with fd: 2000
[  760.170015][T14635] Cannot link a netdevsim to itself
[  760.170439][T14635] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).