[ 1310.578433][T12055] netdevsim netdevsim290 eni290np1: renamed from eth0
[ 1310.661720][T12053] netdevsim netdevsim720 eni720np1: renamed from eth1
[ 1314.264516][T12047] Could not find device with ifindex 2000 in netnsfd 11
[ 1314.265425][T12047] Could not find netns with fd: 2000
[ 1314.266025][T12047] Cannot link a netdevsim to itself
[ 1314.266717][T12047] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).