[  797.733328][T14564] netdevsim netdevsim298 eni298np1: renamed from eth0
[  797.746974][T14566] netdevsim netdevsim600 eni600np1: renamed from eth1
[  798.383957][T14552] Could not find device with ifindex 2000 in netnsfd 11
[  798.385117][T14552] Could not find netns with fd: 2000
[  798.385675][T14552] Cannot link a netdevsim to itself
[  798.386417][T14552] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).