[  801.452193][T14500] netdevsim netdevsim509 eni509np1: renamed from eth0
[  801.482534][T14502] netdevsim netdevsim702 eni702np1: renamed from eth1
[  802.353061][T14488] Could not find device with ifindex 2000 in netnsfd 11
[  802.353969][T14488] Could not find netns with fd: 2000
[  802.354700][T14488] Cannot link a netdevsim to itself
[  802.355915][T14488] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).