[  490.900079] netdevsim netdevsim752 eni752np1: renamed from eth1
[  490.997122] netdevsim netdevsim296 eni296np1: renamed from eth0
[  491.224283] Could not find device with ifindex 2000 in netnsfd 11
[  491.224558] Could not find netns with fd: 2000
[  491.224690] Cannot link a netdevsim to itself
[  491.224843] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).