[  841.183221][T15800] netdevsim netdevsim475 eni475np1: renamed from eth0
[  841.205534][T15802] netdevsim netdevsim527 eni527np1: renamed from eth1
[  841.794348][T15787] Could not find device with ifindex 2000 in netnsfd 11
[  841.799736][T15787] Could not find netns with fd: 2000
[  841.800253][T15787] Cannot link a netdevsim to itself
[  841.800766][T15787] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).