[  477.961591] netdevsim netdevsim696 eni696np1: renamed from eth1
[  477.961788] netdevsim netdevsim391 eni391np1: renamed from eth0
[  478.048114] Could not find device with ifindex 2000 in netnsfd 11
[  478.048229] Could not find netns with fd: 2000
[  478.048283] Cannot link a netdevsim to itself
[  478.048346] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).