[ 1242.411087][T12613] netdevsim netdevsim654 eni654np1: renamed from eth1
[ 1242.569677][T12615] netdevsim netdevsim270 eni270np1: renamed from eth0
[ 1245.155898][T12607] Could not find device with ifindex 2000 in netnsfd 11
[ 1245.157770][T12607] Could not find netns with fd: 2000
[ 1245.158704][T12607] Cannot link a netdevsim to itself
[ 1245.159949][T12607] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).