mininet invalid literal for int() with base 10: 'cpu.cfs_period_us:'

问题产生原因：内核编译时没有加入

CONFIG_CFS_BANDWIDTH 选项

http://www.haifux.org/lectures/299/netLec7.pdf

https://mailman.stanford.edu/pipermail/mininet-discuss/2013-March/001818.html