[  797.580422][T15773] netdevsim netdevsim503 eni503np1: renamed from eth0
[  797.593997][T15775] netdevsim netdevsim747 eni747np1: renamed from eth1
[  798.207334][T15760] Could not find device with ifindex 2000 in netnsfd 11
[  798.208050][T15760] Could not find netns with fd: 2000
[  798.208546][T15760] Cannot link a netdevsim to itself
[  798.209335][T15760] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).