[  483.524925] netdevsim netdevsim759 eni759np1: renamed from eth1
[  483.621799] netdevsim netdevsim456 eni456np1: renamed from eth0
[  483.825731] Could not find device with ifindex 2000 in netnsfd 11
[  483.826013] Could not find netns with fd: 2000
[  483.826139] Cannot link a netdevsim to itself
[  483.826232] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).