[  471.658642] netdevsim netdevsim298 eni298np1: renamed from eth0
[  471.659140] netdevsim netdevsim632 eni632np1: renamed from eth1
[  471.743372] Could not find device with ifindex 2000 in netnsfd 11
[  471.743449] Could not find netns with fd: 2000
[  471.743495] Cannot link a netdevsim to itself
[  471.743546] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).