[  488.783777] netdevsim netdevsim354 eni354np1: renamed from eth0
[  488.784058] netdevsim netdevsim734 eni734np1: renamed from eth1
[  488.872332] Could not find device with ifindex 2000 in netnsfd 11
[  488.872413] Could not find netns with fd: 2000
[  488.872455] Cannot link a netdevsim to itself
[  488.872506] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).