[  752.241846][T14621] netdevsim netdevsim492 eni492np1: renamed from eth0
[  752.263454][T14623] netdevsim netdevsim604 eni604np1: renamed from eth1
[  752.808335][T14609] Could not find device with ifindex 2000 in netnsfd 11
[  752.808958][T14609] Could not find netns with fd: 2000
[  752.809427][T14609] Cannot link a netdevsim to itself
[  752.809953][T14609] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).