[  485.278217] netdevsim netdevsim335 eni335np1: renamed from eth0
[  485.279274] netdevsim netdevsim696 eni696np1: renamed from eth1
[  485.372693] Could not find device with ifindex 2000 in netnsfd 11
[  485.372806] Could not find netns with fd: 2000
[  485.372863] Cannot link a netdevsim to itself
[  485.372936] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).