[ 1021.227425][T12140] netdevsim netdevsim504 eni504np1: renamed from eth0
[ 1021.318101][T12136] netdevsim netdevsim695 eni695np1: renamed from eth1
[ 1023.119006][T12560] Could not find device with ifindex 2000 in netnsfd 11
[ 1023.120118][T12560] Could not find netns with fd: 2000
[ 1023.120876][T12560] Cannot link a netdevsim to itself
[ 1023.121706][T12560] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).