[  459.319316] netdevsim netdevsim444 eni444np1: renamed from eth0
[  459.320533] netdevsim netdevsim726 eni726np1: renamed from eth1
[  459.408642] Could not find device with ifindex 2000 in netnsfd 11
[  459.408736] Could not find netns with fd: 2000
[  459.408784] Cannot link a netdevsim to itself
[  459.408836] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).