[  520.157997] netdevsim netdevsim632 eni632np1: renamed from eth1
[  520.254744] netdevsim netdevsim296 eni296np1: renamed from eth0
[  520.489476] Could not find device with ifindex 2000 in netnsfd 11
[  520.489658] Could not find netns with fd: 2000
[  520.489747] Cannot link a netdevsim to itself
[  520.489845] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).