[  484.332845] netdevsim netdevsim502 eni502np1: renamed from eth0
[  484.434086] netdevsim netdevsim713 eni713np1: renamed from eth1
[  484.782658] Could not find device with ifindex 2000 in netnsfd 11
[  484.782798] Could not find netns with fd: 2000
[  484.782860] Cannot link a netdevsim to itself
[  484.782946] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).