[  525.494060] netdevsim netdevsim607 eni607np1: renamed from eth1
[  525.591447] netdevsim netdevsim279 eni279np1: renamed from eth0
[  525.840767] Could not find device with ifindex 2000 in netnsfd 11
[  525.840996] Could not find netns with fd: 2000
[  525.841108] Cannot link a netdevsim to itself
[  525.841261] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).