[  781.470829][T14744] netdevsim netdevsim394 eni394np1: renamed from eth0
[  781.488222][T14746] netdevsim netdevsim555 eni555np1: renamed from eth1
[  782.078663][T14732] Could not find device with ifindex 2000 in netnsfd 11
[  782.079614][T14732] Could not find netns with fd: 2000
[  782.080017][T14732] Cannot link a netdevsim to itself
[  782.080573][T14732] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).