[  749.609101][T14632] netdevsim netdevsim311 eni311np1: renamed from eth0
[  749.619843][T14633] netdevsim netdevsim748 eni748np1: renamed from eth1
[  750.180874][T14620] Could not find device with ifindex 2000 in netnsfd 11
[  750.181603][T14620] Could not find netns with fd: 2000
[  750.182080][T14620] Cannot link a netdevsim to itself
[  750.182524][T14620] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).