[  762.680209][T14717] netdevsim netdevsim439 eni439np1: renamed from eth0
[  762.698318][T14719] netdevsim netdevsim680 eni680np1: renamed from eth1
[  763.384992][T14705] Could not find device with ifindex 2000 in netnsfd 11
[  763.385871][T14705] Could not find netns with fd: 2000
[  763.386524][T14705] Cannot link a netdevsim to itself
[  763.387289][T14705] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).