[  818.368388][T14650] netdevsim netdevsim259 eni259np1: renamed from eth0
[  818.387515][T14652] netdevsim netdevsim720 eni720np1: renamed from eth1
[  819.109552][T14638] Could not find device with ifindex 2000 in netnsfd 11
[  819.110427][T14638] Could not find netns with fd: 2000
[  819.110826][T14638] Cannot link a netdevsim to itself
[  819.111280][T14638] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).