[ 1233.107134][T11135] netdevsim netdevsim400 eni400np1: renamed from eth0
[ 1233.145153][T11136] netdevsim netdevsim718 eni718np1: renamed from eth1
[ 1236.549516][T11127] Could not find device with ifindex 2000 in netnsfd 11
[ 1236.550250][T11127] Could not find netns with fd: 2000
[ 1236.550850][T11127] Cannot link a netdevsim to itself
[ 1236.551613][T11127] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).