[  792.856624][T15640] netdevsim netdevsim440 eni440np1: renamed from eth0
[  792.875317][T15642] netdevsim netdevsim652 eni652np1: renamed from eth1
[  793.457577][T15627] Could not find device with ifindex 2000 in netnsfd 11
[  793.458510][T15627] Could not find netns with fd: 2000
[  793.459132][T15627] Cannot link a netdevsim to itself
[  793.459627][T15627] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).