[  819.709511][T14598] netdevsim netdevsim329 eni329np1: renamed from eth0
[  819.750393][T14600] netdevsim netdevsim690 eni690np1: renamed from eth1
[  820.499418][T14586] Could not find device with ifindex 2000 in netnsfd 11
[  820.500336][T14586] Could not find netns with fd: 2000
[  820.500742][T14586] Cannot link a netdevsim to itself
[  820.501204][T14586] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).