[  455.471873] netdevsim netdevsim259 eni259np1: renamed from eth0
[  455.472871] netdevsim netdevsim675 eni675np1: renamed from eth0
[  455.564025] Could not find device with ifindex 2000 in netnsfd 11
[  455.564125] Could not find netns with fd: 2000
[  455.564178] Cannot link a netdevsim to itself
[  455.564228] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).