[  483.676162] netdevsim netdevsim480 eni480np1: renamed from eth0
[  483.778011] netdevsim netdevsim538 eni538np1: renamed from eth1
[  484.143537] Could not find device with ifindex 2000 in netnsfd 11
[  484.143695] Could not find netns with fd: 2000
[  484.143805] Cannot link a netdevsim to itself
[  484.143934] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).