[  479.740126] netdevsim netdevsim264 eni264np1: renamed from eth0
[  479.751273] netdevsim netdevsim570 eni570np1: renamed from eth0
[  479.851650] Could not find device with ifindex 2000 in netnsfd 11
[  479.851838] Could not find netns with fd: 2000
[  479.851957] Cannot link a netdevsim to itself
[  479.852102] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).