[  802.479442][T14787] netdevsim netdevsim296 eni296np1: renamed from eth0
[  802.493297][T14786] netdevsim netdevsim663 eni663np1: renamed from eth1
[  803.114289][T14775] Could not find device with ifindex 2000 in netnsfd 11
[  803.115179][T14775] Could not find netns with fd: 2000
[  803.115632][T14775] Cannot link a netdevsim to itself
[  803.116050][T14775] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).