[  541.533597] netdevsim netdevsim618 eni618np1: renamed from eth1
[  541.631766] netdevsim netdevsim353 eni353np1: renamed from eth0
[  541.871875] Could not find device with ifindex 2000 in netnsfd 11
[  541.872133] Could not find netns with fd: 2000
[  541.872223] Cannot link a netdevsim to itself
[  541.872324] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).