[  745.287390][T13060] netdevsim netdevsim440 eni440np1: renamed from eth0
[  745.331655][T13063] netdevsim netdevsim638 eni638np1: renamed from eth1
[  746.129718][T13048] Could not find device with ifindex 2000 in netnsfd 11
[  746.133901][T13048] Could not find netns with fd: 2000
[  746.134452][T13048] Cannot link a netdevsim to itself
[  746.135417][T13048] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).