[ 1235.582962][T11129] netdevsim netdevsim549 eni549np1: renamed from eth1
[ 1235.672806][T11131] netdevsim netdevsim301 eni301np1: renamed from eth0
[ 1239.071971][T11123] Could not find device with ifindex 2000 in netnsfd 11
[ 1239.072771][T11123] Could not find netns with fd: 2000
[ 1239.073370][T11123] Cannot link a netdevsim to itself
[ 1239.074120][T11123] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).