[  766.903067][T14720] netdevsim netdevsim309 eni309np1: renamed from eth0
[  766.917865][T14722] netdevsim netdevsim705 eni705np1: renamed from eth1
[  767.530794][T14708] Could not find device with ifindex 2000 in netnsfd 11
[  767.531318][T14708] Could not find netns with fd: 2000
[  767.531708][T14708] Cannot link a netdevsim to itself
[  767.532146][T14708] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).