[  818.437482][T14764] netdevsim netdevsim307 eni307np1: renamed from eth0
[  818.449979][T14766] netdevsim netdevsim583 eni583np1: renamed from eth1
[  819.159119][T14752] Could not find device with ifindex 2000 in netnsfd 11
[  819.160008][T14752] Could not find netns with fd: 2000
[  819.160419][T14752] Cannot link a netdevsim to itself
[  819.160885][T14752] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).