[  515.029606] netdevsim netdevsim513 eni513np1: renamed from eth1
[  515.127162] netdevsim netdevsim352 eni352np1: renamed from eth0
[  515.352081] Could not find device with ifindex 2000 in netnsfd 11
[  515.352261] Could not find netns with fd: 2000
[  515.352354] Cannot link a netdevsim to itself
[  515.352452] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).