hi,
i installed ubuntu 16.04 in VM, speed test says 150/10mbit.

Once I upgraded to 18.04 ... speedtest now provides 150/3mbit... what kind of issue is that? I am running also other 16.04 box in vm and speedtest goes to 150/10 mbit w/out any problem.


the box with issue 150/3mbit

root@ronn-core:/home/heap# ethtool enp0s3
Settings for enp0s3:
Supported ports: [ ]
Supported link modes: Not reported
Supported pause frame use: No
Supports auto-negotiation: No
Supported FEC modes: Not reported
Advertised link modes: Not reported
Advertised pause frame use: No
Advertised auto-negotiation: No
Advertised FEC modes: Not reported
Speed: 1000Mb/s
Duplex: Unknown! (255)
Port: Other
PHYAD: 0
Transceiver: internal
Auto-negotiation: off
Link detected: yes

root@ronn-core:/home/heap# lsmod
Module Size Used by
input_leds 16384 0
intel_rapl_perf 16384 0
mac_hid 16384 0
serio_raw 16384 0
sch_fq_codel 20480 2
ib_iser 49152 0
rdma_cm 61440 1 ib_iser
iw_cm 45056 1 rdma_cm
ib_cm 53248 1 rdma_cm
ib_core 221184 4 rdma_cm,iw_cm,ib_iser,ib_cm
iscsi_tcp 20480 0
libiscsi_tcp 20480 1 iscsi_tcp
libiscsi 53248 3 libiscsi_tcp,iscsi_tcp,ib_iser
scsi_transport_iscsi 98304 3 iscsi_tcp,ib_iser,libiscsi
ip_tables 28672 0
x_tables 40960 1 ip_tables
autofs4 40960 2
btrfs 1138688 0
zstd_compress 163840 1 btrfs
raid10 53248 0
raid456 147456 0
async_raid6_recov 20480 1 raid456
async_memcpy 16384 2 raid456,async_raid6_recov
async_pq 16384 2 raid456,async_raid6_recov
async_xor 16384 3 async_pq,raid456,async_raid6_recov
async_tx 16384 5 async_pq,async_memcpy,async_xor,raid456,async_raid 6_recov
xor 24576 2 async_xor,btrfs
raid6_pq 114688 4 async_pq,btrfs,raid456,async_raid6_recov
libcrc32c 16384 1 raid456
raid1 40960 0
raid0 20480 0
multipath 16384 0
linear 16384 0
crct10dif_pclmul 16384 0
crc32_pclmul 16384 0
ghash_clmulni_intel 16384 0
pcbc 16384 0

aesni_intel 188416 0
aes_x86_64 20480 1 aesni_intel
crypto_simd 16384 1 aesni_intel
glue_helper 16384 1 aesni_intel
cryptd 24576 3 crypto_simd,ghash_clmulni_intel,aesni_intel
psmouse 151552 0
ahci 40960 2
virtio_net 49152 0
libahci 32768 1 ahci

root@ronn-core:/home/heap# lsb_release -a
No LSB modules are available.
Distributor ID: Ubuntu
Description: Ubuntu 18.04.3 LTS
Release: 18.04
Codename: bionic



the box which works fine 150/10mbit
heap@universe:~$ ethtool enp0s3
Settings for enp0s3:
Supported ports: [ ]
Supported link modes: Not reported
Supported pause frame use: No
Supports auto-negotiation: No
Advertised link modes: Not reported
Advertised pause frame use: No
Advertised auto-negotiation: No
Speed: Unknown!
Duplex: Unknown! (255)
Port: Other
PHYAD: 0
Transceiver: internal
Auto-negotiation: off
Cannot get wake-on-lan settings: Operation not permitted
Link detected: yes


heap@universe:~$ lsmod
Module Size Used by
ufs 73728 0
qnx4 16384 0
hfsplus 106496 0
hfs 57344 0
minix 36864 0
ntfs 98304 0
msdos 20480 0
jfs 184320 0
xfs 974848 0
cpuid 16384 0
nfsv3 40960 1
nfs_acl 16384 1 nfsv3
rpcsec_gss_krb5 36864 0
auth_rpcgss 61440 1 rpcsec_gss_krb5
nfsv4 512000 0
nfs 253952 11 nfsv3,nfsv4
lockd 94208 2 nfs,nfsv3
grace 16384 1 lockd
fscache 61440 2 nfs,nfsv4
input_leds 16384 0
serio_raw 16384 0
8250_fintek 16384 0
mac_hid 16384 0
sunrpc 331776 28 nfs,rpcsec_gss_krb5,auth_rpcgss,lockd,nfsv3,nfsv4, nfs_acl
ib_iser 49152 0
rdma_cm 49152 1 ib_iser
iw_cm 45056 1 rdma_cm
ib_cm 49152 1 rdma_cm
ib_sa 36864 2 rdma_cm,ib_cm
ib_mad 49152 2 ib_cm,ib_sa
ib_core 106496 6 rdma_cm,ib_cm,ib_sa,iw_cm,ib_mad,ib_iser
ib_addr 20480 2 rdma_cm,ib_core
iscsi_tcp 20480 0
libiscsi_tcp 24576 1 iscsi_tcp
libiscsi 53248 3 libiscsi_tcp,iscsi_tcp,ib_iser
scsi_transport_iscsi 102400 4 iscsi_tcp,ib_iser,libiscsi
autofs4 40960 2
btrfs 999424 0
jitterentropy_rng 16384 0
drbg 32768 1
ansi_cprng 16384 0
algif_skcipher 20480 0
af_alg 16384 1 algif_skcipher
dm_crypt 28672 1
raid10 49152 0
raid456 106496 0
async_raid6_recov 20480 1 raid456
async_memcpy 16384 2 raid456,async_raid6_recov
async_pq 16384 2 raid456,async_raid6_recov
async_xor 16384 3 async_pq,raid456,async_raid6_recov
async_tx 16384 5 async_pq,raid456,async_xor,async_memcpy,async_raid 6_recov
xor 24576 2 btrfs,async_xor
raid6_pq 102400 4 async_pq,raid456,btrfs,async_raid6_recov
libcrc32c 16384 2 xfs,raid456
raid1 40960 0
raid0 20480 0
multipath 16384 0
linear 16384 0
crct10dif_pclmul 16384 0
crc32_pclmul 16384 0
ghash_clmulni_intel 16384 0
aesni_intel 167936 2
aes_x86_64 20480 1 aesni_intel
lrw 16384 1 aesni_intel
gf128mul 16384 1 lrw
glue_helper 16384 1 aesni_intel
ablk_helper 16384 1 aesni_intel
cryptd 20480 4 ghash_clmulni_intel,aesni_intel,ablk_helper
psmouse 131072 0
ahci 40960 2
libahci 32768 1 ahci
fjes 28672 0



heap@universe:~$ lsb_release -a
No LSB modules are available.
Distributor ID: Ubuntu
Description: Ubuntu 16.04.6 LTS
Release: 16.04
Codename: xenial



I never saw such an issue.... any ideas?

thanks!