[ 1017.973849][T12650] netdevsim netdevsim587 eni587np1: renamed from eth1
[ 1018.063476][T12582] netdevsim netdevsim304 eni304np1: renamed from eth0
[ 1020.019823][T12727] Could not find device with ifindex 2000 in netnsfd 11
[ 1020.021453][T12727] Could not find netns with fd: 2000
[ 1020.022161][T12727] Cannot link a netdevsim to itself
[ 1020.022990][T12727] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).