[  772.052826][T14619] netdevsim netdevsim357 eni357np1: renamed from eth0
[  772.064051][T14621] netdevsim netdevsim614 eni614np1: renamed from eth1
[  772.633823][T14607] Could not find device with ifindex 2000 in netnsfd 11
[  772.634408][T14607] Could not find netns with fd: 2000
[  772.634868][T14607] Cannot link a netdevsim to itself
[  772.635393][T14607] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).