[  728.165713][T13060] netdevsim netdevsim314 eni314np1: renamed from eth0
[  728.186817][T13062] netdevsim netdevsim547 eni547np1: renamed from eth1
[  728.828434][T13048] Could not find device with ifindex 2000 in netnsfd 11
[  728.829391][T13048] Could not find netns with fd: 2000
[  728.830060][T13048] Cannot link a netdevsim to itself
[  728.830718][T13048] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).