[ 1021.738833][T12485] netdevsim netdevsim712 eni712np1: renamed from eth1
[ 1021.848258][T12486] netdevsim netdevsim286 eni286np1: renamed from eth0
[ 1023.656793][T12478] Could not find device with ifindex 2000 in netnsfd 11
[ 1023.657895][T12478] Could not find netns with fd: 2000
[ 1023.658523][T12478] Cannot link a netdevsim to itself
[ 1023.659235][T12478] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).