[  491.430904] netdevsim netdevsim496 eni496np1: renamed from eth0
[  491.431259] netdevsim netdevsim696 eni696np1: renamed from eth1
[  491.529884] Could not find device with ifindex 2000 in netnsfd 11
[  491.530010] Could not find netns with fd: 2000
[  491.530061] Cannot link a netdevsim to itself
[  491.530117] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).