I think this is just noise in the journal; not a real problem (it's an
annoyance).
Fedora Server 29 running two docker containers: pihole and battery
historian. When I do 'sysmtectl start libvirtd' I immediately start
getting the following in the journal every 5s.
Feb 11 13:53:23 fnuc.local dnsmasq[32033]: failed to create listening
socket for 192.168.122.1: Address already in use
That continues until I both stop libvirtd and also remove the virbr0
link. I'm kinda wondering if this is suboptimal behavior that
constitutes a bug? I don't know why it's failing to create a socket
for 192.168.122.1, maybe docker owns it. But then why doesn't libvirtd
just fallback to some other address and notify in the journal, rather
than spamming the journal? In any case I'm still able to ssh into and
out of any VM I create. I'm also able to connect via virt-manager and
spice to any VM. So its seems like it's just noise and not an actual
problem.
fnuc.local chris ~ ip a
1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN
group default qlen 1000
link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
inet 127.0.0.1/8 scope host lo
valid_lft forever preferred_lft forever
inet6 ::1/128 scope host
valid_lft forever preferred_lft forever
2: enp3s0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc fq_codel
state UP group default qlen 1000
link/ether b8:ae:ed:77:ea:51 brd ff:ff:ff:ff:ff:ff
inet 10.0.0.250/24 brd 10.0.0.255 scope global dynamic noprefixroute enp3s0
valid_lft 377745sec preferred_lft 377745sec
inet6 2601:282:700:8c78:3cef:4672:2da9:af30/64 scope global
dynamic noprefixroute
valid_lft 252404sec preferred_lft 252404sec
inet6 fe80::91f1:7594:6bae:99ea/64 scope link noprefixroute
valid_lft forever preferred_lft forever
3: wlp2s0: <BROADCAST,MULTICAST> mtu 1500 qdisc noop state DOWN group
default qlen 1000
link/ether fe:b0:a1:f2:be:c4 brd ff:ff:ff:ff:ff:ff
4: docker0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue
state UP group default
link/ether 02:42:7a:65:7b:b6 brd ff:ff:ff:ff:ff:ff
inet 172.17.0.1/16 scope global docker0
valid_lft forever preferred_lft forever
inet6 fe80::42:7aff:fe65:7bb6/64 scope link
valid_lft forever preferred_lft forever
6: vethe8a3f14@if5: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc
noqueue master docker0 state UP group default
link/ether d2:b4:ca:37:f7:3a brd ff:ff:ff:ff:ff:ff link-netnsid 0
inet6 fe80::d0b4:caff:fe37:f73a/64 scope link
valid_lft forever preferred_lft forever
8: veth1b171f3@if7: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc
noqueue master docker0 state UP group default
link/ether 9a:f4:98:f3:08:1c brd ff:ff:ff:ff:ff:ff link-netnsid 1
inet6 fe80::98f4:98ff:fef3:81c/64 scope link
valid_lft forever preferred_lft forever
9: virbr0: <NO-CARRIER,BROADCAST,MULTICAST,UP> mtu 1500 qdisc noqueue
state DOWN group default qlen 1000
link/ether 52:54:00:24:e3:cf brd ff:ff:ff:ff:ff:ff
inet 192.168.122.1/24 brd 192.168.122.255 scope global virbr0
valid_lft forever preferred_lft forever
10: virbr0-nic: <BROADCAST,MULTICAST> mtu 1500 qdisc fq_codel master
virbr0 state DOWN group default qlen 1000
link/ether 52:54:00:24:e3:cf brd ff:ff:ff:ff:ff:ff
fnuc.local chris ~
--
Chris Murphy
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