[ 1224.411804][T11139] netdevsim netdevsim422 eni422np1: renamed from eth0
[ 1224.432105][T11137] netdevsim netdevsim626 eni626np1: renamed from eth1
[ 1227.723690][T11131] Could not find device with ifindex 2000 in netnsfd 11
[ 1227.724497][T11131] Could not find netns with fd: 2000
[ 1227.725109][T11131] Cannot link a netdevsim to itself
[ 1227.725781][T11131] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).