[ 1244.187097][T12789] netdevsim netdevsim383 eni383np1: renamed from eth0
[ 1244.269756][T12788] netdevsim netdevsim599 eni599np1: renamed from eth1
[ 1247.009254][T12778] Could not find device with ifindex 2000 in netnsfd 11
[ 1247.010436][T12778] Could not find netns with fd: 2000
[ 1247.011555][T12778] Cannot link a netdevsim to itself
[ 1247.012652][T12778] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).