[  841.518745][T15724] netdevsim netdevsim297 eni297np1: renamed from eth0
[  841.523436][T15723] netdevsim netdevsim677 eni677np1: renamed from eth1
[  842.217219][T15710] Could not find device with ifindex 2000 in netnsfd 11
[  842.222635][T15710] Could not find netns with fd: 2000
[  842.223146][T15710] Cannot link a netdevsim to itself
[  842.223684][T15710] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).