[  868.331728][T15890] netdevsim netdevsim381 eni381np1: renamed from eth0
[  868.342432][T15892] netdevsim netdevsim673 eni673np1: renamed from eth1
[  869.061520][T15879] Could not find device with ifindex 2000 in netnsfd 11
[  869.062181][T15879] Could not find netns with fd: 2000
[  869.062627][T15879] Cannot link a netdevsim to itself
[  869.063134][T15879] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).