[  515.301613] netdevsim netdevsim275 eni275np1: renamed from eth0
[  515.399454] netdevsim netdevsim589 eni589np1: renamed from eth1
[  515.617080] Could not find device with ifindex 2000 in netnsfd 11
[  515.617248] Could not find netns with fd: 2000
[  515.617337] Cannot link a netdevsim to itself
[  515.617441] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).