[  455.387303] netdevsim netdevsim464 eni464np1: renamed from eth0
[  455.387813] netdevsim netdevsim536 eni536np1: renamed from eth1
[  455.472173] Could not find device with ifindex 2000 in netnsfd 11
[  455.472299] Could not find netns with fd: 2000
[  455.472349] Cannot link a netdevsim to itself
[  455.472412] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).