tests: Drop dependency on non-existing bridge-utils

Replace the calls by equivalent ones to 'ip'.

Related: RHBZ#1954581

tests/ip6tables-do-not-accept-dst-or-src-direction-on-ip6sets/runtest.sh

@@ -38,7 +38,7 @@ rlJournalStart
         rlRun "pushd $TmpDir"
         rlRun "ip6tables-save > ip6tables.backup"
         rlRun "iptables-save > iptables.backup"
-        rlRun "brctl addbr testbr" 0 "create bridge iface"
+        rlRun "ip link add dev testbr" 0 "create bridge iface"
     rlPhaseEnd
 
     rlPhaseStartTest
@@ -75,7 +75,7 @@ rlJournalStart
         rlRun "ip6tables-restore < ip6tables.backup"
         rlRun "iptables-restore < iptables.backup"
         rlRun "ip link set down dev testbr"
-        rlRun "brctl delbr testbr" 0 "remove bridge iface"
+        rlRun "ip link del testbr" 0 "remove bridge iface"
         rlRun "ipset destroy ipsetv6" 0 "remove ipv6 ipset"
         rlRun "ipset destroy ipsetv4" 0 "remove ipv4 ipset"
         rlRun "popd"

tests/tests.yml

@@ -10,7 +10,6 @@
         - iptables-services # multiple tests need iptables/ip6tables config files
         - initscripts       # multiple tests need system command
         - libcgroup-tools   # backport-iptables-add-libxt-cgroup-frontend needs cg* commands
-        - bridge-utils      # ip6tables-do-not-accept-dst-or-src-direction-on-ip6sets needs brctl command
         - ipset             # multiple tests need ipset command
         - strace            # xtables-tools-locking-vulnerable-to-local-DoS needs strace command
         - policycoreutils   # initscript-sanity needs restorecon command