ShellCheck - shell script analysis tool
version: 0.11.0
license: GNU General Public License, version 3
website: https://www.shellcheck.net
Redirect to /tmp/tmp.IEB6a67bkW and /tmp/tmp.IlWRa3RZ8I
Tree base:
7b09a3195417 ("ipv6: remove IP6SKB_FAKEJUMBO flag")
Now at:
217bf240c820 ("selftests/net: remove unnecessary MTU config in big_tcp.sh")
 ====== Checking before the patch ======
Checking tools/testing/selftests/net/big_tcp.sh - 87118834283d9199934d01e25013850ef0f84a4a193e6f3978066a00a0bb0629


In big_tcp.sh line 28:
	ip netns add $CLIENT_NS
                     ^--------^ SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean:
	ip netns add "$CLIENT_NS"


In big_tcp.sh line 29:
	ip netns add $SERVER_NS
                     ^--------^ SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean:
	ip netns add "$SERVER_NS"


In big_tcp.sh line 30:
	ip netns add $ROUTER_NS
                     ^--------^ SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean:
	ip netns add "$ROUTER_NS"


In big_tcp.sh line 31:
	ip -net $ROUTER_NS link add link1 type veth peer name link0 netns $CLIENT_NS
                ^--------^ SC2086 (info): Double quote to prevent globbing and word splitting.
                                                                          ^--------^ SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean:
	ip -net "$ROUTER_NS" link add link1 type veth peer name link0 netns "$CLIENT_NS"


In big_tcp.sh line 32:
	ip -net $ROUTER_NS link add link2 type veth peer name link3 netns $SERVER_NS
                ^--------^ SC2086 (info): Double quote to prevent globbing and word splitting.
                                                                          ^--------^ SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean:
	ip -net "$ROUTER_NS" link add link2 type veth peer name link3 netns "$SERVER_NS"


In big_tcp.sh line 34:
	ip -net $CLIENT_NS link set link0 up
                ^--------^ SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean:
	ip -net "$CLIENT_NS" link set link0 up


In big_tcp.sh line 35:
	ip -net $CLIENT_NS link set link0 mtu 1442
                ^--------^ SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean:
	ip -net "$CLIENT_NS" link set link0 mtu 1442


In big_tcp.sh line 36:
	ip -net $CLIENT_NS addr add $CLIENT_IP4/24 dev link0
                ^--------^ SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean:
	ip -net "$CLIENT_NS" addr add $CLIENT_IP4/24 dev link0


In big_tcp.sh line 37:
	ip -net $CLIENT_NS addr add $CLIENT_IP6/64 dev link0 nodad
                ^--------^ SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean:
	ip -net "$CLIENT_NS" addr add $CLIENT_IP6/64 dev link0 nodad


In big_tcp.sh line 38:
	ip -net $CLIENT_NS route add $SERVER_IP4 dev link0 via $CLIENT_GW4
                ^--------^ SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean:
	ip -net "$CLIENT_NS" route add $SERVER_IP4 dev link0 via $CLIENT_GW4


In big_tcp.sh line 39:
	ip -net $CLIENT_NS route add $SERVER_IP6 dev link0 via $CLIENT_GW6
                ^--------^ SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean:
	ip -net "$CLIENT_NS" route add $SERVER_IP6 dev link0 via $CLIENT_GW6


In big_tcp.sh line 40:
	ip -net $CLIENT_NS link set dev link0 \
                ^--------^ SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean:
	ip -net "$CLIENT_NS" link set dev link0 \


In big_tcp.sh line 42:
	ip -net $CLIENT_NS link set dev link0 \
                ^--------^ SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean:
	ip -net "$CLIENT_NS" link set dev link0 \


In big_tcp.sh line 44:
	ip net exec $CLIENT_NS sysctl -wq net.ipv4.tcp_window_scaling=10
                    ^--------^ SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean:
	ip net exec "$CLIENT_NS" sysctl -wq net.ipv4.tcp_window_scaling=10


In big_tcp.sh line 46:
	ip -net $ROUTER_NS link set link1 up
                ^--------^ SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean:
	ip -net "$ROUTER_NS" link set link1 up


In big_tcp.sh line 47:
	ip -net $ROUTER_NS link set link2 up
                ^--------^ SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean:
	ip -net "$ROUTER_NS" link set link2 up


In big_tcp.sh line 48:
	ip -net $ROUTER_NS addr add $CLIENT_GW4/24 dev link1
                ^--------^ SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean:
	ip -net "$ROUTER_NS" addr add $CLIENT_GW4/24 dev link1


In big_tcp.sh line 49:
	ip -net $ROUTER_NS addr add $CLIENT_GW6/64 dev link1 nodad
                ^--------^ SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean:
	ip -net "$ROUTER_NS" addr add $CLIENT_GW6/64 dev link1 nodad


In big_tcp.sh line 50:
	ip -net $ROUTER_NS addr add $SERVER_GW4/24 dev link2
                ^--------^ SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean:
	ip -net "$ROUTER_NS" addr add $SERVER_GW4/24 dev link2


In big_tcp.sh line 51:
	ip -net $ROUTER_NS addr add $SERVER_GW6/64 dev link2 nodad
                ^--------^ SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean:
	ip -net "$ROUTER_NS" addr add $SERVER_GW6/64 dev link2 nodad


In big_tcp.sh line 52:
	ip -net $ROUTER_NS link set dev link1 \
                ^--------^ SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean:
	ip -net "$ROUTER_NS" link set dev link1 \


In big_tcp.sh line 54:
	ip -net $ROUTER_NS link set dev link2 \
                ^--------^ SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean:
	ip -net "$ROUTER_NS" link set dev link2 \


In big_tcp.sh line 56:
	ip -net $ROUTER_NS link set dev link1 \
                ^--------^ SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean:
	ip -net "$ROUTER_NS" link set dev link1 \


In big_tcp.sh line 58:
	ip -net $ROUTER_NS link set dev link2 \
                ^--------^ SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean:
	ip -net "$ROUTER_NS" link set dev link2 \


In big_tcp.sh line 61:
	ip net exec $ROUTER_NS tc qdisc add dev link1 ingress
                    ^--------^ SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean:
	ip net exec "$ROUTER_NS" tc qdisc add dev link1 ingress


In big_tcp.sh line 62:
	ip net exec $ROUTER_NS tc filter add dev link1 ingress \
                    ^--------^ SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean:
	ip net exec "$ROUTER_NS" tc filter add dev link1 ingress \


In big_tcp.sh line 64:
	ip net exec $ROUTER_NS tc filter add dev link1 ingress \
                    ^--------^ SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean:
	ip net exec "$ROUTER_NS" tc filter add dev link1 ingress \


In big_tcp.sh line 66:
	ip net exec $ROUTER_NS sysctl -wq net.ipv4.ip_forward=1
                    ^--------^ SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean:
	ip net exec "$ROUTER_NS" sysctl -wq net.ipv4.ip_forward=1


In big_tcp.sh line 67:
	ip net exec $ROUTER_NS sysctl -wq net.ipv6.conf.all.forwarding=1
                    ^--------^ SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean:
	ip net exec "$ROUTER_NS" sysctl -wq net.ipv6.conf.all.forwarding=1


In big_tcp.sh line 69:
	ip -net $SERVER_NS link set link3 up
                ^--------^ SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean:
	ip -net "$SERVER_NS" link set link3 up


In big_tcp.sh line 70:
	ip -net $SERVER_NS addr add $SERVER_IP4/24 dev link3
                ^--------^ SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean:
	ip -net "$SERVER_NS" addr add $SERVER_IP4/24 dev link3


In big_tcp.sh line 71:
	ip -net $SERVER_NS addr add $SERVER_IP6/64 dev link3 nodad
                ^--------^ SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean:
	ip -net "$SERVER_NS" addr add $SERVER_IP6/64 dev link3 nodad


In big_tcp.sh line 72:
	ip -net $SERVER_NS route add $CLIENT_IP4 dev link3 via $SERVER_GW4
                ^--------^ SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean:
	ip -net "$SERVER_NS" route add $CLIENT_IP4 dev link3 via $SERVER_GW4


In big_tcp.sh line 73:
	ip -net $SERVER_NS route add $CLIENT_IP6 dev link3 via $SERVER_GW6
                ^--------^ SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean:
	ip -net "$SERVER_NS" route add $CLIENT_IP6 dev link3 via $SERVER_GW6


In big_tcp.sh line 74:
	ip -net $SERVER_NS link set dev link3 \
                ^--------^ SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean:
	ip -net "$SERVER_NS" link set dev link3 \


In big_tcp.sh line 76:
	ip -net $SERVER_NS link set dev link3 \
                ^--------^ SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean:
	ip -net "$SERVER_NS" link set dev link3 \


In big_tcp.sh line 78:
	ip net exec $SERVER_NS sysctl -wq net.ipv4.tcp_window_scaling=10
                    ^--------^ SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean:
	ip net exec "$SERVER_NS" sysctl -wq net.ipv4.tcp_window_scaling=10


In big_tcp.sh line 79:
	ip net exec $SERVER_NS netserver 2>&1 >/dev/null
                    ^--------^ SC2086 (info): Double quote to prevent globbing and word splitting.
                                         ^--^ SC2069 (warning): To redirect stdout+stderr, 2>&1 must be last (or use '{ cmd > file; } 2>&1' to clarify).

Did you mean:
	ip net exec "$SERVER_NS" netserver 2>&1 >/dev/null


In big_tcp.sh line 82:
cleanup() {
^-- SC2329 (info): This function is never invoked. Check usage (or ignored if invoked indirectly).


In big_tcp.sh line 83:
	ip net exec $SERVER_NS pkill netserver
                    ^--------^ SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean:
	ip net exec "$SERVER_NS" pkill netserver


In big_tcp.sh line 84:
	ip -net $ROUTER_NS link del link1
                ^--------^ SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean:
	ip -net "$ROUTER_NS" link del link1


In big_tcp.sh line 85:
	ip -net $ROUTER_NS link del link2
                ^--------^ SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean:
	ip -net "$ROUTER_NS" link del link2


In big_tcp.sh line 97:
	ip net exec $netns $ipt -t raw -A PREROUTING -i $iface \
                    ^----^ SC2086 (info): Double quote to prevent globbing and word splitting.
                                                        ^----^ SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean:
	ip net exec "$netns" $ipt -t raw -A PREROUTING -i "$iface" \


In big_tcp.sh line 107:
	test `ip net exec $netns $ipt -t raw -L -v |grep $iface | awk '{print $1}'` != "0"
             ^-- SC2046 (warning): Quote this to prevent word splitting.
             ^-- SC2006 (style): Use $(...) notation instead of legacy backticks `...`.
                          ^----^ SC2086 (info): Double quote to prevent globbing and word splitting.
                                                         ^----^ SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean:
	test $(ip net exec "$netns" $ipt -t raw -L -v |grep "$iface" | awk '{print $1}') != "0"


In big_tcp.sh line 116:
	ip net exec $netns $ipt -t raw -D PREROUTING -i $iface \
                    ^----^ SC2086 (info): Double quote to prevent globbing and word splitting.
                                                        ^----^ SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean:
	ip net exec "$netns" $ipt -t raw -D PREROUTING -i "$iface" \


In big_tcp.sh line 127:
	ip net exec $netns netperf -$NF -t TCP_STREAM -l 1 -H $serip -- -m 262144 2>&1 >/dev/null
                    ^----^ SC2086 (info): Double quote to prevent globbing and word splitting.
                                                                                  ^--^ SC2069 (warning): To redirect stdout+stderr, 2>&1 must be last (or use '{ cmd > file; } 2>&1' to clarify).

Did you mean:
	ip net exec "$netns" netperf -$NF -t TCP_STREAM -l 1 -H $serip -- -m 262144 2>&1 >/dev/null


In big_tcp.sh line 137:
	ip net exec $CLIENT_NS ethtool -K link0 tso $cli_tso
                    ^--------^ SC2086 (info): Double quote to prevent globbing and word splitting.
                                                    ^------^ SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean:
	ip net exec "$CLIENT_NS" ethtool -K link0 tso "$cli_tso"


In big_tcp.sh line 138:
	ip net exec $ROUTER_NS ethtool -K link1 gro $gw_gro
                    ^--------^ SC2086 (info): Double quote to prevent globbing and word splitting.
                                                    ^-----^ SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean:
	ip net exec "$ROUTER_NS" ethtool -K link1 gro "$gw_gro"


In big_tcp.sh line 139:
	ip net exec $ROUTER_NS ethtool -K link2 tso $gw_tso
                    ^--------^ SC2086 (info): Double quote to prevent globbing and word splitting.
                                                    ^-----^ SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean:
	ip net exec "$ROUTER_NS" ethtool -K link2 tso "$gw_tso"


In big_tcp.sh line 140:
	ip net exec $SERVER_NS ethtool -K link3 gro $ser_gro
                    ^--------^ SC2086 (info): Double quote to prevent globbing and word splitting.
                                                    ^------^ SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean:
	ip net exec "$SERVER_NS" ethtool -K link3 gro "$ser_gro"


In big_tcp.sh line 142:
	start_counter link1 $ROUTER_NS
                            ^--------^ SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean:
	start_counter link1 "$ROUTER_NS"


In big_tcp.sh line 143:
	start_counter link3 $SERVER_NS
                            ^--------^ SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean:
	start_counter link3 "$SERVER_NS"


In big_tcp.sh line 144:
	do_netperf $CLIENT_NS
                   ^--------^ SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean:
	do_netperf "$CLIENT_NS"


In big_tcp.sh line 146:
	if check_counter link1 $ROUTER_NS; then
                               ^--------^ SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean:
	if check_counter link1 "$ROUTER_NS"; then


In big_tcp.sh line 147:
		check_counter link3 $SERVER_NS || ret="FAIL_on_link3"
                                    ^--------^ SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean:
		check_counter link3 "$SERVER_NS" || ret="FAIL_on_link3"


In big_tcp.sh line 152:
	stop_counter link1 $ROUTER_NS
                           ^--------^ SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean:
	stop_counter link1 "$ROUTER_NS"


In big_tcp.sh line 153:
	stop_counter link3 $SERVER_NS
                           ^--------^ SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean:
	stop_counter link3 "$SERVER_NS"


In big_tcp.sh line 155:
		$cli_tso $gw_gro $gw_tso $ser_gro $ret
                ^------^ SC2086 (info): Double quote to prevent globbing and word splitting.
                         ^-----^ SC2086 (info): Double quote to prevent globbing and word splitting.
                                 ^-----^ SC2086 (info): Double quote to prevent globbing and word splitting.
                                         ^------^ SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean:
		"$cli_tso" "$gw_gro" "$gw_tso" "$ser_gro" $ret

For more information:
  https://www.shellcheck.net/wiki/SC2046 -- Quote this to prevent word splitt...
  https://www.shellcheck.net/wiki/SC2069 -- To redirect stdout+stderr, 2>&1 m...
  https://www.shellcheck.net/wiki/SC2086 -- Double quote to prevent globbing ...

 ====== Checking the tree with the patch ======
Checking tools/testing/selftests/net/big_tcp.sh - 87118834283d9199934d01e25013850ef0f84a4a193e6f3978066a00a0bb0629


In big_tcp.sh line 28:
	ip netns add $CLIENT_NS
                     ^--------^ SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean:
	ip netns add "$CLIENT_NS"


In big_tcp.sh line 29:
	ip netns add $SERVER_NS
                     ^--------^ SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean:
	ip netns add "$SERVER_NS"


In big_tcp.sh line 30:
	ip netns add $ROUTER_NS
                     ^--------^ SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean:
	ip netns add "$ROUTER_NS"


In big_tcp.sh line 31:
	ip -net $ROUTER_NS link add link1 type veth peer name link0 netns $CLIENT_NS
                ^--------^ SC2086 (info): Double quote to prevent globbing and word splitting.
                                                                          ^--------^ SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean:
	ip -net "$ROUTER_NS" link add link1 type veth peer name link0 netns "$CLIENT_NS"


In big_tcp.sh line 32:
	ip -net $ROUTER_NS link add link2 type veth peer name link3 netns $SERVER_NS
                ^--------^ SC2086 (info): Double quote to prevent globbing and word splitting.
                                                                          ^--------^ SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean:
	ip -net "$ROUTER_NS" link add link2 type veth peer name link3 netns "$SERVER_NS"


In big_tcp.sh line 34:
	ip -net $CLIENT_NS link set link0 up
                ^--------^ SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean:
	ip -net "$CLIENT_NS" link set link0 up


In big_tcp.sh line 35:
	ip -net $CLIENT_NS addr add $CLIENT_IP4/24 dev link0
                ^--------^ SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean:
	ip -net "$CLIENT_NS" addr add $CLIENT_IP4/24 dev link0


In big_tcp.sh line 36:
	ip -net $CLIENT_NS addr add $CLIENT_IP6/64 dev link0 nodad
                ^--------^ SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean:
	ip -net "$CLIENT_NS" addr add $CLIENT_IP6/64 dev link0 nodad


In big_tcp.sh line 37:
	ip -net $CLIENT_NS route add $SERVER_IP4 dev link0 via $CLIENT_GW4
                ^--------^ SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean:
	ip -net "$CLIENT_NS" route add $SERVER_IP4 dev link0 via $CLIENT_GW4


In big_tcp.sh line 38:
	ip -net $CLIENT_NS route add $SERVER_IP6 dev link0 via $CLIENT_GW6
                ^--------^ SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean:
	ip -net "$CLIENT_NS" route add $SERVER_IP6 dev link0 via $CLIENT_GW6


In big_tcp.sh line 39:
	ip -net $CLIENT_NS link set dev link0 \
                ^--------^ SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean:
	ip -net "$CLIENT_NS" link set dev link0 \


In big_tcp.sh line 41:
	ip -net $CLIENT_NS link set dev link0 \
                ^--------^ SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean:
	ip -net "$CLIENT_NS" link set dev link0 \


In big_tcp.sh line 43:
	ip net exec $CLIENT_NS sysctl -wq net.ipv4.tcp_window_scaling=10
                    ^--------^ SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean:
	ip net exec "$CLIENT_NS" sysctl -wq net.ipv4.tcp_window_scaling=10


In big_tcp.sh line 45:
	ip -net $ROUTER_NS link set link1 up
                ^--------^ SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean:
	ip -net "$ROUTER_NS" link set link1 up


In big_tcp.sh line 46:
	ip -net $ROUTER_NS link set link2 up
                ^--------^ SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean:
	ip -net "$ROUTER_NS" link set link2 up


In big_tcp.sh line 47:
	ip -net $ROUTER_NS addr add $CLIENT_GW4/24 dev link1
                ^--------^ SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean:
	ip -net "$ROUTER_NS" addr add $CLIENT_GW4/24 dev link1


In big_tcp.sh line 48:
	ip -net $ROUTER_NS addr add $CLIENT_GW6/64 dev link1 nodad
                ^--------^ SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean:
	ip -net "$ROUTER_NS" addr add $CLIENT_GW6/64 dev link1 nodad


In big_tcp.sh line 49:
	ip -net $ROUTER_NS addr add $SERVER_GW4/24 dev link2
                ^--------^ SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean:
	ip -net "$ROUTER_NS" addr add $SERVER_GW4/24 dev link2


In big_tcp.sh line 50:
	ip -net $ROUTER_NS addr add $SERVER_GW6/64 dev link2 nodad
                ^--------^ SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean:
	ip -net "$ROUTER_NS" addr add $SERVER_GW6/64 dev link2 nodad


In big_tcp.sh line 51:
	ip -net $ROUTER_NS link set dev link1 \
                ^--------^ SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean:
	ip -net "$ROUTER_NS" link set dev link1 \


In big_tcp.sh line 53:
	ip -net $ROUTER_NS link set dev link2 \
                ^--------^ SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean:
	ip -net "$ROUTER_NS" link set dev link2 \


In big_tcp.sh line 55:
	ip -net $ROUTER_NS link set dev link1 \
                ^--------^ SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean:
	ip -net "$ROUTER_NS" link set dev link1 \


In big_tcp.sh line 57:
	ip -net $ROUTER_NS link set dev link2 \
                ^--------^ SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean:
	ip -net "$ROUTER_NS" link set dev link2 \


In big_tcp.sh line 60:
	ip net exec $ROUTER_NS tc qdisc add dev link1 ingress
                    ^--------^ SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean:
	ip net exec "$ROUTER_NS" tc qdisc add dev link1 ingress


In big_tcp.sh line 61:
	ip net exec $ROUTER_NS tc filter add dev link1 ingress \
                    ^--------^ SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean:
	ip net exec "$ROUTER_NS" tc filter add dev link1 ingress \


In big_tcp.sh line 63:
	ip net exec $ROUTER_NS tc filter add dev link1 ingress \
                    ^--------^ SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean:
	ip net exec "$ROUTER_NS" tc filter add dev link1 ingress \


In big_tcp.sh line 65:
	ip net exec $ROUTER_NS sysctl -wq net.ipv4.ip_forward=1
                    ^--------^ SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean:
	ip net exec "$ROUTER_NS" sysctl -wq net.ipv4.ip_forward=1


In big_tcp.sh line 66:
	ip net exec $ROUTER_NS sysctl -wq net.ipv6.conf.all.forwarding=1
                    ^--------^ SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean:
	ip net exec "$ROUTER_NS" sysctl -wq net.ipv6.conf.all.forwarding=1


In big_tcp.sh line 68:
	ip -net $SERVER_NS link set link3 up
                ^--------^ SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean:
	ip -net "$SERVER_NS" link set link3 up


In big_tcp.sh line 69:
	ip -net $SERVER_NS addr add $SERVER_IP4/24 dev link3
                ^--------^ SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean:
	ip -net "$SERVER_NS" addr add $SERVER_IP4/24 dev link3


In big_tcp.sh line 70:
	ip -net $SERVER_NS addr add $SERVER_IP6/64 dev link3 nodad
                ^--------^ SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean:
	ip -net "$SERVER_NS" addr add $SERVER_IP6/64 dev link3 nodad


In big_tcp.sh line 71:
	ip -net $SERVER_NS route add $CLIENT_IP4 dev link3 via $SERVER_GW4
                ^--------^ SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean:
	ip -net "$SERVER_NS" route add $CLIENT_IP4 dev link3 via $SERVER_GW4


In big_tcp.sh line 72:
	ip -net $SERVER_NS route add $CLIENT_IP6 dev link3 via $SERVER_GW6
                ^--------^ SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean:
	ip -net "$SERVER_NS" route add $CLIENT_IP6 dev link3 via $SERVER_GW6


In big_tcp.sh line 73:
	ip -net $SERVER_NS link set dev link3 \
                ^--------^ SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean:
	ip -net "$SERVER_NS" link set dev link3 \


In big_tcp.sh line 75:
	ip -net $SERVER_NS link set dev link3 \
                ^--------^ SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean:
	ip -net "$SERVER_NS" link set dev link3 \


In big_tcp.sh line 77:
	ip net exec $SERVER_NS sysctl -wq net.ipv4.tcp_window_scaling=10
                    ^--------^ SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean:
	ip net exec "$SERVER_NS" sysctl -wq net.ipv4.tcp_window_scaling=10


In big_tcp.sh line 78:
	ip net exec $SERVER_NS netserver 2>&1 >/dev/null
                    ^--------^ SC2086 (info): Double quote to prevent globbing and word splitting.
                                         ^--^ SC2069 (warning): To redirect stdout+stderr, 2>&1 must be last (or use '{ cmd > file; } 2>&1' to clarify).

Did you mean:
	ip net exec "$SERVER_NS" netserver 2>&1 >/dev/null


In big_tcp.sh line 81:
cleanup() {
^-- SC2329 (info): This function is never invoked. Check usage (or ignored if invoked indirectly).


In big_tcp.sh line 82:
	ip net exec $SERVER_NS pkill netserver
                    ^--------^ SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean:
	ip net exec "$SERVER_NS" pkill netserver


In big_tcp.sh line 83:
	ip -net $ROUTER_NS link del link1
                ^--------^ SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean:
	ip -net "$ROUTER_NS" link del link1


In big_tcp.sh line 84:
	ip -net $ROUTER_NS link del link2
                ^--------^ SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean:
	ip -net "$ROUTER_NS" link del link2


In big_tcp.sh line 96:
	ip net exec $netns $ipt -t raw -A PREROUTING -i $iface \
                    ^----^ SC2086 (info): Double quote to prevent globbing and word splitting.
                                                        ^----^ SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean:
	ip net exec "$netns" $ipt -t raw -A PREROUTING -i "$iface" \


In big_tcp.sh line 106:
	test `ip net exec $netns $ipt -t raw -L -v |grep $iface | awk '{print $1}'` != "0"
             ^-- SC2046 (warning): Quote this to prevent word splitting.
             ^-- SC2006 (style): Use $(...) notation instead of legacy backticks `...`.
                          ^----^ SC2086 (info): Double quote to prevent globbing and word splitting.
                                                         ^----^ SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean:
	test $(ip net exec "$netns" $ipt -t raw -L -v |grep "$iface" | awk '{print $1}') != "0"


In big_tcp.sh line 115:
	ip net exec $netns $ipt -t raw -D PREROUTING -i $iface \
                    ^----^ SC2086 (info): Double quote to prevent globbing and word splitting.
                                                        ^----^ SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean:
	ip net exec "$netns" $ipt -t raw -D PREROUTING -i "$iface" \


In big_tcp.sh line 126:
	ip net exec $netns netperf -$NF -t TCP_STREAM -l 1 -H $serip -- -m 262144 2>&1 >/dev/null
                    ^----^ SC2086 (info): Double quote to prevent globbing and word splitting.
                                                                                  ^--^ SC2069 (warning): To redirect stdout+stderr, 2>&1 must be last (or use '{ cmd > file; } 2>&1' to clarify).

Did you mean:
	ip net exec "$netns" netperf -$NF -t TCP_STREAM -l 1 -H $serip -- -m 262144 2>&1 >/dev/null


In big_tcp.sh line 136:
	ip net exec $CLIENT_NS ethtool -K link0 tso $cli_tso
                    ^--------^ SC2086 (info): Double quote to prevent globbing and word splitting.
                                                    ^------^ SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean:
	ip net exec "$CLIENT_NS" ethtool -K link0 tso "$cli_tso"


In big_tcp.sh line 137:
	ip net exec $ROUTER_NS ethtool -K link1 gro $gw_gro
                    ^--------^ SC2086 (info): Double quote to prevent globbing and word splitting.
                                                    ^-----^ SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean:
	ip net exec "$ROUTER_NS" ethtool -K link1 gro "$gw_gro"


In big_tcp.sh line 138:
	ip net exec $ROUTER_NS ethtool -K link2 tso $gw_tso
                    ^--------^ SC2086 (info): Double quote to prevent globbing and word splitting.
                                                    ^-----^ SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean:
	ip net exec "$ROUTER_NS" ethtool -K link2 tso "$gw_tso"


In big_tcp.sh line 139:
	ip net exec $SERVER_NS ethtool -K link3 gro $ser_gro
                    ^--------^ SC2086 (info): Double quote to prevent globbing and word splitting.
                                                    ^------^ SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean:
	ip net exec "$SERVER_NS" ethtool -K link3 gro "$ser_gro"


In big_tcp.sh line 141:
	start_counter link1 $ROUTER_NS
                            ^--------^ SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean:
	start_counter link1 "$ROUTER_NS"


In big_tcp.sh line 142:
	start_counter link3 $SERVER_NS
                            ^--------^ SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean:
	start_counter link3 "$SERVER_NS"


In big_tcp.sh line 143:
	do_netperf $CLIENT_NS
                   ^--------^ SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean:
	do_netperf "$CLIENT_NS"


In big_tcp.sh line 145:
	if check_counter link1 $ROUTER_NS; then
                               ^--------^ SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean:
	if check_counter link1 "$ROUTER_NS"; then


In big_tcp.sh line 146:
		check_counter link3 $SERVER_NS || ret="FAIL_on_link3"
                                    ^--------^ SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean:
		check_counter link3 "$SERVER_NS" || ret="FAIL_on_link3"


In big_tcp.sh line 151:
	stop_counter link1 $ROUTER_NS
                           ^--------^ SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean:
	stop_counter link1 "$ROUTER_NS"


In big_tcp.sh line 152:
	stop_counter link3 $SERVER_NS
                           ^--------^ SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean:
	stop_counter link3 "$SERVER_NS"


In big_tcp.sh line 154:
		$cli_tso $gw_gro $gw_tso $ser_gro $ret
                ^------^ SC2086 (info): Double quote to prevent globbing and word splitting.
                         ^-----^ SC2086 (info): Double quote to prevent globbing and word splitting.
                                 ^-----^ SC2086 (info): Double quote to prevent globbing and word splitting.
                                         ^------^ SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean:
		"$cli_tso" "$gw_gro" "$gw_tso" "$ser_gro" $ret

For more information:
  https://www.shellcheck.net/wiki/SC2046 -- Quote this to prevent word splitt...
  https://www.shellcheck.net/wiki/SC2069 -- To redirect stdout+stderr, 2>&1 m...
  https://www.shellcheck.net/wiki/SC2086 -- Double quote to prevent globbing ...