Comment 4 for bug 2040524

Here is the output of "lsmod" from a RPI-4 node:

Module Size Used by
geneve 45056 0
nfnetlink_cttimeout 24576 0
openvswitch 176128 3
nsh 16384 1 openvswitch
nf_conncount 24576 1 openvswitch
arp_tables 32768 0
tls 118784 11
ipt_REJECT 16384 0
nf_reject_ipv4 16384 1 ipt_REJECT
xt_set 20480 4
ipt_rpfilter 16384 1
vxlan 81920 0
iptable_raw 16384 1
ip_set_hash_ip 49152 1
ip_set_hash_net 57344 3
ip_set 57344 3 ip_set_hash_ip,xt_set,ip_set_hash_net
xfrm_user 49152 1
xfrm_algo 16384 1 xfrm_user
wireguard 94208 0
libchacha20poly1305 16384 1 wireguard
chacha_neon 24576 1 libchacha20poly1305
poly1305_neon 24576 1 libchacha20poly1305
libcurve25519_generic 40960 1 wireguard
libchacha 16384 1 chacha_neon
ip6_udp_tunnel 16384 3 geneve,wireguard,vxlan
udp_tunnel 28672 3 geneve,wireguard,vxlan
xt_multiport 20480 5
veth 32768 0
nf_conntrack_netlink 53248 0
xt_addrtype 16384 9
xt_statistic 20480 4
xt_nat 16384 19
xt_tcpudp 20480 49
nbd 57344 0
rbd 122880 0
libceph 487424 1 rbd
overlay 155648 12
ip6table_filter 16384 1
ip6table_nat 16384 1
ip6table_mangle 16384 1
ip6_tables 36864 3 ip6table_filter,ip6table_nat,ip6table_mangle
xt_MASQUERADE 20480 5
xt_mark 16384 47
iptable_nat 16384 1
nf_nat 49152 5 ip6table_nat,xt_nat,openvswitch,iptable_nat,xt_MASQUERADE
xt_conntrack 16384 26
nf_conntrack 184320 8 xt_conntrack,nf_nat,nfnetlink_cttimeout,xt_nat,openvswitch,nf_conntrack_netlink,nf_conncount,xt_MASQUERADE
nf_defrag_ipv6 24576 2 nf_conntrack,openvswitch
nf_defrag_ipv4 16384 1 nf_conntrack
iptable_mangle 16384 1
br_netfilter 32768 0
bridge 319488 1 br_netfilter
nft_counter 16384 2
nft_compat 20480 2
nf_tables 253952 10 nft_compat,nft_counter
nfnetlink 20480 7 nft_compat,nfnetlink_cttimeout,nf_conntrack_netlink,nf_tables,ip_set
iptable_filter 16384 1
xt_comment 16384 221
bpfilter 16384 0
cmac 16384 3
algif_hash 24576 1
algif_skcipher 20480 1
af_alg 32768 6 algif_hash,algif_skcipher
bnep 32768 2
hci_uart 155648 1
btqca 24576 1 hci_uart
btrtl 24576 1 hci_uart
btbcm 28672 1 hci_uart
btintel 45056 1 hci_uart
8021q 40960 0
garp 20480 1 8021q
mrp 20480 1 8021q
stp 20480 2 bridge,garp
llc 20480 3 bridge,stp,garp
binfmt_misc 24576 1
btsdio 20480 0
bluetooth 712704 30 btrtl,btqca,btsdio,btintel,hci_uart,btbcm,bnep
ecdh_generic 16384 2 bluetooth
ecc 36864 1 ecdh_generic
bcm2835_codec 53248 0
bcm2835_isp 36864 0
bcm2835_v4l2 49152 0
brcmfmac 417792 0
snd_bcm2835 36864 0
v4l2_mem2mem 45056 1 bcm2835_codec
bcm2835_mmal_vchiq 40960 3 bcm2835_codec,bcm2835_v4l2,bcm2835_isp
snd_pcm 163840 1 snd_bcm2835
videobuf2_vmalloc 20480 1 bcm2835_v4l2
brcmutil 28672 1 brcmfmac
videobuf2_dma_contig 24576 2 bcm2835_codec,bcm2835_isp
videobuf2_memops 20480 2 videobuf2_vmalloc,videobuf2_dma_contig
videobuf2_v4l2 32768 4 bcm2835_codec,bcm2835_v4l2,v4l2_mem2mem,bcm2835_isp
cfg80211 966656 1 brcmfmac
snd_timer 45056 1 snd_pcm
videobuf2_common 81920 8 bcm2835_codec,videobuf2_vmalloc,videobuf2_dma_contig,videobuf2_v4l2,bcm2835_v4l2,v4l2_mem2mem,videobuf2_memops,bcm2835_isp
snd 126976 3 snd_bcm2835,snd_timer,snd_pcm
vc_sm_cma 40960 2 bcm2835_mmal_vchiq,bcm2835_isp
videodev 282624 6 bcm2835_codec,videobuf2_v4l2,bcm2835_v4l2,videobuf2_common,v4l2_mem2mem,bcm2835_isp
mc 73728 6 videodev,bcm2835_codec,videobuf2_v4l2,videobuf2_common,v4l2_mem2mem,bcm2835_isp
raspberrypi_hwmon 16384 0
nvmem_rmem 16384 0
bcm2835_gpiomem 16384 0
rpivid_mem 16384 0
uio_pdrv_genirq 20480 0
uio 24576 1 uio_pdrv_genirq
sch_fq_codel 20480 6
dm_multipath 40960 0
scsi_dh_rdac 24576 0
scsi_dh_emc 16384 0
scsi_dh_alua 28672 0
nfsd 589824 13
auth_rpcgss 151552 1 nfsd
nfs_acl 20480 1 nfsd
lockd 110592 1 nfsd
drm 647168 0
efi_pstore 16384 0
grace 16384 2 nfsd,lockd
sunrpc 626688 17 nfsd,auth_rpcgss,lockd,nfs_acl
ip_tables 36864 4 iptable_filter,iptable_raw,iptable_nat,iptable_mangle
x_tables 57344 23 ip6table_filter,xt_conntrack,xt_statistic,iptable_filter,ip6table_nat,nft_compat,xt_multiport,xt_tcpudp,xt_addrtype,xt_nat,xt_comment,xt_set,ip6_tables,ipt_REJECT,ipt_rpfilter,iptable_raw,ip_tables,iptable_nat,ip6table_mangle,xt_MASQUERADE,iptable_mangle,xt_mark,arp_tables
autofs4 49152 2
btrfs 1613824 0
blake2b_generic 24576 0
zstd_compress 229376 1 btrfs
raid10 73728 0
raid456 196608 0
async_raid6_recov 24576 1 raid456
async_memcpy 20480 2 raid456,async_raid6_recov
async_pq 20480 2 raid456,async_raid6_recov
async_xor 20480 3 async_pq,raid456,async_raid6_recov
async_tx 20480 5 async_pq,async_memcpy,async_xor,raid456,async_raid6_recov
xor 20480 2 async_xor,btrfs
xor_neon 16384 1 xor
raid6_pq 114688 4 async_pq,btrfs,raid456,async_raid6_recov
libcrc32c 16384 7 nf_conntrack,nf_nat,openvswitch,btrfs,nf_tables,raid456,libceph
raid1 53248 0
raid0 24576 0
multipath 24576 0
linear 20480 0
spidev 24576 0
dwc2 315392 0
roles 20480 1 dwc2
crct10dif_ce 20480 1
udc_core 77824 1 dwc2
i2c_bcm2835 20480 0
spi_bcm2835 28672 0
xhci_pci 24576 0
xhci_pci_renesas 24576 1 xhci_pci
phy_generic 20480 1
aes_arm64 16384 3

From a base Ubuntu Server 22.04 install (using the official Raspberry Pi imager), I have installed the following networking-related packages: vlan bridge-utils wondershaper linux-modules-extra-raspi