diff --git a/travis-ci/vmtest/configs/blacklist/BLACKLIST-5.5.0 b/travis-ci/vmtest/configs/blacklist/BLACKLIST-5.5.0
index 12366d5..42c7626 100644
--- a/travis-ci/vmtest/configs/blacklist/BLACKLIST-5.5.0
+++ b/travis-ci/vmtest/configs/blacklist/BLACKLIST-5.5.0
@@ -1,13 +1,10 @@
 bpf_tcp_ca
-cgroup_attach_autodetach
 cgroup_attach_multi
-cgroup_attach_override
 fexit_bpf2bpf
 perf_branches
 select_reuseport
 send_signal
 skb_ctx
-sockmap_ktls
 sockmap_listen
 sockopt_inherit
 spinlock
diff --git a/travis-ci/vmtest/configs/blacklist/BLACKLIST-latest b/travis-ci/vmtest/configs/blacklist/BLACKLIST-latest
index 62157b0..db1e7bf 100644
--- a/travis-ci/vmtest/configs/blacklist/BLACKLIST-latest
+++ b/travis-ci/vmtest/configs/blacklist/BLACKLIST-latest
@@ -1,11 +1,5 @@
-bpf_tcp_ca
-cgroup_attach_autodetach
-cgroup_attach_multi
-cgroup_attach_override
-select_reuseport
 send_signal_tracepoint
 send_signal_tracepoint_thread
-sockmap_ktls
 sockmap_listen
 sockopt_inherit
 spinlock
diff --git a/travis-ci/vmtest/run_selftests.sh b/travis-ci/vmtest/run_selftests.sh
index cdf1ba7..b767310 100755
--- a/travis-ci/vmtest/run_selftests.sh
+++ b/travis-ci/vmtest/run_selftests.sh
@@ -5,6 +5,8 @@ set -eux
 mount -t bpf bpffs /sys/fs/bpf
 mount -t debugfs none /sys/kernel/debug/
 
+ip link set lo up
+
 configs_path='libbpf/travis-ci/vmtest/configs'
 blacklist_path="$configs_path/blacklist/BLACKLIST-${KERNEL}"
 if [[ -s "${blacklist_path}" ]]; then