[  488.762618] netdevsim netdevsim390 eni390np1: renamed from eth0
[  488.864513] netdevsim netdevsim716 eni716np1: renamed from eth1
[  489.225401] Could not find device with ifindex 2000 in netnsfd 11
[  489.225535] Could not find netns with fd: 2000
[  489.225609] Cannot link a netdevsim to itself
[  489.225688] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).