[  486.469177] netdevsim netdevsim442 eni442np1: renamed from eth0
[  486.564989] netdevsim netdevsim529 eni529np1: renamed from eth1
[  486.785671] Could not find device with ifindex 2000 in netnsfd 11
[  486.785969] Could not find netns with fd: 2000
[  486.786057] Cannot link a netdevsim to itself
[  486.786156] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).