[  525.549244] netdevsim netdevsim765 eni765np1: renamed from eth1
[  525.646758] netdevsim netdevsim413 eni413np1: renamed from eth0
[  525.899003] Could not find device with ifindex 2000 in netnsfd 11
[  525.899168] Could not find netns with fd: 2000
[  525.899244] Cannot link a netdevsim to itself
[  525.899331] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).