[  804.773259][T14752] netdevsim netdevsim427 eni427np1: renamed from eth0
[  804.785567][T14754] netdevsim netdevsim712 eni712np1: renamed from eth1
[  805.394061][T14740] Could not find device with ifindex 2000 in netnsfd 11
[  805.394560][T14740] Could not find netns with fd: 2000
[  805.395042][T14740] Cannot link a netdevsim to itself
[  805.395633][T14740] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).