[  783.094646][T14555] netdevsim netdevsim426 eni426np1: renamed from eth0
[  783.122899][T14557] netdevsim netdevsim563 eni563np1: renamed from eth1
[  783.689609][T14543] Could not find device with ifindex 2000 in netnsfd 11
[  783.690171][T14543] Could not find netns with fd: 2000
[  783.690525][T14543] Cannot link a netdevsim to itself
[  783.690935][T14543] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).