[  796.859398][T14731] netdevsim netdevsim457 eni457np1: renamed from eth0
[  796.871866][T14733] netdevsim netdevsim624 eni624np1: renamed from eth1
[  797.437018][T14719] Could not find device with ifindex 2000 in netnsfd 11
[  797.437517][T14719] Could not find netns with fd: 2000
[  797.437863][T14719] Cannot link a netdevsim to itself
[  797.438264][T14719] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).