[ 1301.139610][T13053] netdevsim netdevsim685 eni685np1: renamed from eth1
[ 1301.199015][T13057] netdevsim netdevsim303 eni303np1: renamed from eth0
[ 1303.860888][T13044] Could not find device with ifindex 2000 in netnsfd 11
[ 1303.863541][T13044] Could not find netns with fd: 2000
[ 1303.864749][T13044] Cannot link a netdevsim to itself
[ 1303.865834][T13044] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).