[  488.169231] netdevsim netdevsim739 eni739np1: renamed from eth1
[  488.264941] netdevsim netdevsim477 eni477np1: renamed from eth0
[  488.472139] Could not find device with ifindex 2000 in netnsfd 11
[  488.472372] Could not find netns with fd: 2000
[  488.472447] Cannot link a netdevsim to itself
[  488.472534] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).