[  455.430147] netdevsim netdevsim312 eni312np1: renamed from eth0
[  455.430584] netdevsim netdevsim616 eni616np1: renamed from eth1
[  455.534990] Could not find device with ifindex 2000 in netnsfd 11
[  455.535099] Could not find netns with fd: 2000
[  455.535145] Cannot link a netdevsim to itself
[  455.535197] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).