[ 1323.923492][T12060] netdevsim netdevsim643 eni643np1: renamed from eth1
[ 1323.988181][T12062] netdevsim netdevsim406 eni406np1: renamed from eth0
[ 1327.666056][T12054] Could not find device with ifindex 2000 in netnsfd 11
[ 1327.666870][T12054] Could not find netns with fd: 2000
[ 1327.667582][T12054] Cannot link a netdevsim to itself
[ 1327.668511][T12054] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).