[ 1021.050600][T12137] netdevsim netdevsim562 eni562np1: renamed from eth1
[ 1021.145527][T12136] netdevsim netdevsim502 eni502np1: renamed from eth0
[ 1023.040528][T12458] Could not find device with ifindex 2000 in netnsfd 11
[ 1023.042047][T12458] Could not find netns with fd: 2000
[ 1023.043265][T12458] Cannot link a netdevsim to itself
[ 1023.044548][T12458] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).