[  708.557797][T13059] netdevsim netdevsim309 eni309np1: renamed from eth0
[  708.570451][T13061] netdevsim netdevsim681 eni681np1: renamed from eth1
[  709.212693][T13047] Could not find device with ifindex 2000 in netnsfd 11
[  709.213533][T13047] Could not find netns with fd: 2000
[  709.213922][T13047] Cannot link a netdevsim to itself
[  709.214534][T13047] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).