[  477.056507] netdevsim netdevsim487 eni487np1: renamed from eth0
[  477.058834] netdevsim netdevsim524 eni524np1: renamed from eth1
[  477.150415] Could not find device with ifindex 2000 in netnsfd 11
[  477.150499] Could not find netns with fd: 2000
[  477.150543] Cannot link a netdevsim to itself
[  477.150595] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).