[  540.631264] netdevsim netdevsim429 eni429np1: renamed from eth0
[  540.632210] netdevsim netdevsim708 eni708np1: renamed from eth1
[  540.716721] Could not find device with ifindex 2000 in netnsfd 11
[  540.716818] Could not find netns with fd: 2000
[  540.716873] Cannot link a netdevsim to itself
[  540.716934] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).