[  803.382767][T15784] netdevsim netdevsim474 eni474np1: renamed from eth0
[  803.402014][T15787] netdevsim netdevsim626 eni626np1: renamed from eth1
[  804.019542][T15772] Could not find device with ifindex 2000 in netnsfd 11
[  804.020148][T15772] Could not find netns with fd: 2000
[  804.020641][T15772] Cannot link a netdevsim to itself
[  804.021149][T15772] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).