[  928.285589][T14809] netdevsim netdevsim509 eni509np1: renamed from eth0
[  928.314952][T14811] netdevsim netdevsim529 eni529np1: renamed from eth1
[  929.329369][T14797] Could not find device with ifindex 2000 in netnsfd 11
[  929.330721][T14797] Could not find netns with fd: 2000
[  929.331794][T14797] Cannot link a netdevsim to itself
[  929.332820][T14797] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).