[  472.881525] netdevsim netdevsim349 eni349np1: renamed from eth0
[  472.884494] netdevsim netdevsim617 eni617np1: renamed from eth1
[  472.958221] Could not find device with ifindex 2000 in netnsfd 11
[  472.958305] Could not find netns with fd: 2000
[  472.958347] Cannot link a netdevsim to itself
[  472.958398] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).