[  480.193867] netdevsim netdevsim344 eni344np1: renamed from eth0
[  480.194526] netdevsim netdevsim536 eni536np1: renamed from eth1
[  480.276814] Could not find device with ifindex 2000 in netnsfd 11
[  480.276926] Could not find netns with fd: 2000
[  480.276976] Cannot link a netdevsim to itself
[  480.277033] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).