[  517.657385] netdevsim netdevsim618 eni618np1: renamed from eth1
[  517.754662] netdevsim netdevsim373 eni373np1: renamed from eth0
[  517.988955] Could not find device with ifindex 2000 in netnsfd 11
[  517.989135] Could not find netns with fd: 2000
[  517.989224] Cannot link a netdevsim to itself
[  517.989313] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).