[  809.669161][T14449] netdevsim netdevsim323 eni323np1: renamed from eth0
[  809.688689][T14451] netdevsim netdevsim698 eni698np1: renamed from eth1
[  810.343443][T14437] Could not find device with ifindex 2000 in netnsfd 11
[  810.344028][T14437] Could not find netns with fd: 2000
[  810.344454][T14437] Cannot link a netdevsim to itself
[  810.345226][T14437] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).