[  486.896815] netdevsim netdevsim459 eni459np1: renamed from eth0
[  486.897226] netdevsim netdevsim524 eni524np1: renamed from eth1
[  486.984425] Could not find device with ifindex 2000 in netnsfd 11
[  486.984495] Could not find netns with fd: 2000
[  486.984528] Cannot link a netdevsim to itself
[  486.984566] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).