[  766.577286][T14569] netdevsim netdevsim267 eni267np1: renamed from eth0
[  766.598531][T14571] netdevsim netdevsim714 eni714np1: renamed from eth1
[  767.159180][T14557] Could not find device with ifindex 2000 in netnsfd 11
[  767.159689][T14557] Could not find netns with fd: 2000
[  767.160067][T14557] Cannot link a netdevsim to itself
[  767.160468][T14557] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).