[ 1308.378784][T12069] netdevsim netdevsim577 eni577np1: renamed from eth1
[ 1308.397099][T12070] netdevsim netdevsim349 eni349np1: renamed from eth0
[ 1312.095041][T12062] Could not find device with ifindex 2000 in netnsfd 11
[ 1312.096200][T12062] Could not find netns with fd: 2000
[ 1312.097197][T12062] Cannot link a netdevsim to itself
[ 1312.098493][T12062] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).