[  476.321468] netdevsim netdevsim463 eni463np1: renamed from eth0
[  476.322072] netdevsim netdevsim618 eni618np1: renamed from eth1
[  476.417409] Could not find device with ifindex 2000 in netnsfd 11
[  476.417496] Could not find netns with fd: 2000
[  476.417544] Cannot link a netdevsim to itself
[  476.417599] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).