[  689.801742][T13060] netdevsim netdevsim451 eni451np1: renamed from eth0
[  689.819301][T13059] netdevsim netdevsim767 eni767np1: renamed from eth1
[  690.412586][T13048] Could not find device with ifindex 2000 in netnsfd 11
[  690.413452][T13048] Could not find netns with fd: 2000
[  690.413908][T13048] Cannot link a netdevsim to itself
[  690.414458][T13048] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).