[ 1236.391684][T11148] netdevsim netdevsim468 eni468np1: renamed from eth0
[ 1236.517001][T11147] netdevsim netdevsim538 eni538np1: renamed from eth1
[ 1239.784248][T11140] Could not find device with ifindex 2000 in netnsfd 11
[ 1239.785363][T11140] Could not find netns with fd: 2000
[ 1239.786563][T11140] Cannot link a netdevsim to itself
[ 1239.788057][T11140] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).