[  478.171888] netdevsim netdevsim532 eni532np1: renamed from eth1
[  478.272183] netdevsim netdevsim417 eni417np1: renamed from eth0
[  478.673079] Could not find device with ifindex 2000 in netnsfd 11
[  478.673232] Could not find netns with fd: 2000
[  478.673313] Cannot link a netdevsim to itself
[  478.673409] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).