[  733.961594][T13072] netdevsim netdevsim500 eni500np1: renamed from eth0
[  733.991865][T13074] netdevsim netdevsim548 eni548np1: renamed from eth1
[  734.775245][T13060] Could not find device with ifindex 2000 in netnsfd 11
[  734.776107][T13060] Could not find netns with fd: 2000
[  734.776509][T13060] Cannot link a netdevsim to itself
[  734.776995][T13060] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).