[  522.493106] netdevsim netdevsim414 eni414np1: renamed from eth0
[  522.589686] netdevsim netdevsim743 eni743np1: renamed from eth1
[  522.849754] Could not find device with ifindex 2000 in netnsfd 11
[  522.850014] Could not find netns with fd: 2000
[  522.850134] Cannot link a netdevsim to itself
[  522.850281] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).