netem-rule

# in dirserver container

# one
$ tc qdisc add dev eth0 root netem delay 5ms 4ms distribution normal
$ tc qdisc change dev eth0 root netem delay 5ms 4ms distribution normal corrupt 1%

$ tc qdisc show
qdisc netem 8012: dev eth0 root refcnt 2 limit 1000 delay 5.0ms  4.0ms corrupt 1%

# two
$ tc qdisc add dev eth0 root netem delay 1ms 1ms distribution normal corrupt 2%

$ tc qdisc show
qdisc netem 8013: dev eth0 root refcnt 2 limit 1000 delay 1.0ms  1.0ms corrupt 2%

# three
$ tc qdisc add dev eth0 root netem delay 25ms 25ms distribution normal

$ tc qdisc show
qdisc netem 8015: dev eth0 root refcnt 2 limit 1000 delay 25.0ms  25.0ms

# four
$ tc qdisc add dev eth0 root netem delay 10ms 8ms distribution normal

$ tc qdisc show
qdisc netem 8014: dev eth0 root refcnt 2 limit 1000 delay 10.0ms  8.0ms

# five
$ tc qdisc add dev eth0 root netem delay 2ms 1ms distribution normal

$ tc qdisc show
qdisc netem 8016: dev eth0 root refcnt 2 limit 1000 delay 2.0ms  1.0ms

# six
$ tc qdisc add dev eth0 root netem delay 1ms 1ms distribution normal corrupt 1%

$ tc qdisc show
qdisc netem 8017: dev eth0 root refcnt 2 limit 1000 delay 1.0ms  1.0ms corrupt 1%

# seven
$ tc qdisc add dev eth0 root netem delay 5ms 4ms distribution normal corrupt 1%

$ tc qdisc show
qdisc netem 8018: dev eth0 root refcnt 2 limit 1000 delay 5.0ms  4.0ms corrupt 1%