[  964.161338][T12585] netdevsim netdevsim678 eni678np1: renamed from eth1
[  964.244471][T12751] netdevsim netdevsim507 eni507np1: renamed from eth0
[  965.962389][T12746] Could not find device with ifindex 2000 in netnsfd 11
[  965.963297][T12746] Could not find netns with fd: 2000
[  965.963922][T12746] Cannot link a netdevsim to itself
[  965.964619][T12746] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).