[  487.150553] netdevsim netdevsim459 eni459np1: renamed from eth0
[  487.251581] netdevsim netdevsim626 eni626np1: renamed from eth1
[  487.607413] Could not find device with ifindex 2000 in netnsfd 11
[  487.607585] Could not find netns with fd: 2000
[  487.607678] Cannot link a netdevsim to itself
[  487.607801] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).