[  479.498794] netdevsim netdevsim271 eni271np1: renamed from eth0
[  479.500197] netdevsim netdevsim656 eni656np1: renamed from eth1
[  479.586987] Could not find device with ifindex 2000 in netnsfd 11
[  479.587163] Could not find netns with fd: 2000
[  479.587271] Cannot link a netdevsim to itself
[  479.587399] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).