[ 1245.340589][T12778] netdevsim netdevsim577 eni577np1: renamed from eth1
[ 1245.345105][T12777] netdevsim netdevsim470 eni470np1: renamed from eth0
[ 1248.100592][T12769] Could not find device with ifindex 2000 in netnsfd 11
[ 1248.101779][T12769] Could not find netns with fd: 2000
[ 1248.102647][T12769] Cannot link a netdevsim to itself
[ 1248.103777][T12769] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).