[  429.919152] netdevsim netdevsim505 eni505np1: renamed from eth0
[  429.919687] netdevsim netdevsim549 eni549np1: renamed from eth1
[  430.018289] Could not find device with ifindex 2000 in netnsfd 11
[  430.018385] Could not find netns with fd: 2000
[  430.018430] Cannot link a netdevsim to itself
[  430.018484] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).