[  477.507782] netdevsim netdevsim480 eni480np1: renamed from eth0
[  477.508305] netdevsim netdevsim715 eni715np1: renamed from eth1
[  477.597642] Could not find device with ifindex 2000 in netnsfd 11
[  477.597736] Could not find netns with fd: 2000
[  477.597779] Cannot link a netdevsim to itself
[  477.597826] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).