[  458.636388] netdevsim netdevsim293 eni293np1: renamed from eth0
[  458.637129] netdevsim netdevsim688 eni688np1: renamed from eth1
[  458.733035] Could not find device with ifindex 2000 in netnsfd 11
[  458.733197] Could not find netns with fd: 2000
[  458.733300] Cannot link a netdevsim to itself
[  458.733409] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).