[  511.719834] netdevsim netdevsim696 eni696np1: renamed from eth1
[  511.817254] netdevsim netdevsim259 eni259np1: renamed from eth0
[  512.023162] Could not find device with ifindex 2000 in netnsfd 11
[  512.023398] Could not find netns with fd: 2000
[  512.023511] Cannot link a netdevsim to itself
[  512.023642] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).