[  820.708702][T15817] netdevsim netdevsim387 eni387np1: renamed from eth0
[  820.718380][T15815] netdevsim netdevsim539 eni539np1: renamed from eth1
[  821.339664][T15803] Could not find device with ifindex 2000 in netnsfd 11
[  821.340334][T15803] Could not find netns with fd: 2000
[  821.340833][T15803] Cannot link a netdevsim to itself
[  821.341415][T15803] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).