[  454.908909] netdevsim netdevsim465 eni465np1: renamed from eth0
[  454.909329] netdevsim netdevsim516 eni516np1: renamed from eth1
[  454.992676] Could not find device with ifindex 2000 in netnsfd 11
[  454.992786] Could not find netns with fd: 2000
[  454.992855] Cannot link a netdevsim to itself
[  454.992946] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).