[  746.675041][T14436] netdevsim netdevsim272 eni272np1: renamed from eth0
[  746.679612][T14437] netdevsim netdevsim630 eni630np1: renamed from eth1
[  747.247561][T14423] Could not find device with ifindex 2000 in netnsfd 11
[  747.248141][T14423] Could not find netns with fd: 2000
[  747.248588][T14423] Cannot link a netdevsim to itself
[  747.249100][T14423] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).