[ 1215.031162][T11144] netdevsim netdevsim259 eni259np1: renamed from eth0
[ 1215.127362][T11143] netdevsim netdevsim720 eni720np1: renamed from eth1
[ 1218.441296][T11136] Could not find device with ifindex 2000 in netnsfd 11
[ 1218.442126][T11136] Could not find netns with fd: 2000
[ 1218.442742][T11136] Cannot link a netdevsim to itself
[ 1218.443413][T11136] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).