[ 1270.240553][T12859] netdevsim netdevsim445 eni445np1: renamed from eth0
[ 1270.404809][T12857] netdevsim netdevsim661 eni661np1: renamed from eth1
[ 1273.010139][T12846] Could not find device with ifindex 2000 in netnsfd 11
[ 1273.025401][T12846] Could not find netns with fd: 2000
[ 1273.026532][T12846] Cannot link a netdevsim to itself
[ 1273.027682][T12846] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).