[  762.354532][T14568] netdevsim netdevsim437 eni437np1: renamed from eth0
[  762.357398][T14570] netdevsim netdevsim658 eni658np1: renamed from eth1
[  762.911110][T14556] Could not find device with ifindex 2000 in netnsfd 11
[  762.911628][T14556] Could not find netns with fd: 2000
[  762.912010][T14556] Cannot link a netdevsim to itself
[  762.912419][T14556] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).