[  522.530970] netdevsim netdevsim717 eni717np1: renamed from eth1
[  522.629022] netdevsim netdevsim324 eni324np1: renamed from eth0
[  522.843504] Could not find device with ifindex 2000 in netnsfd 11
[  522.843698] Could not find netns with fd: 2000
[  522.843790] Cannot link a netdevsim to itself
[  522.843912] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).