<div dir="ltr"><div><div><div><div><div><div>A recent change (upgrade ?) in my setup broke the network in my container. Network is OK on the host, but not on the container. </div><div>My setup: </div>Host: Archlinux - % systemctl --version systemd 231 +PAM -AUDIT -SELINUX -IMA -APPARMOR +SMACK -SYSVINIT +UTMP +LIBCRYPTSETUP +GCRYPT +GNUTLS +ACL +XZ +LZ4 +SECCOMP +BLKID +ELFUTILS +KMOD +IDN % ip a 1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1 link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00 inet <a href="http://127.0.0.1/8">127.0.0.1/8</a> scope host lo valid_lft forever preferred_lft forever inet6 ::1/128 scope host valid_lft forever preferred_lft forever 2: enp7s0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast master br0 state UP group default qlen 1000 link/ether 14:da:e9:b5:7a:88 brd ff:ff:ff:ff:ff:ff 3: br0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue state UP group default qlen 1000 link/ether b6:0c:00:22:f1:4a brd ff:ff:ff:ff:ff:ff inet <a href="http://192.168.1.87/24">192.168.1.87/24</a> brd 192.168.1.255 scope global br0 valid_lft forever preferred_lft forever inet6 fe80::b40c:ff:fe22:f14a/64 scope link valid_lft forever preferred_lft forever 5: ve-poppy@if2: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue state UP group default qlen 1000 link/ether 0e:9a:d7:18:a3:59 brd ff:ff:ff:ff:ff:ff link-netnsid 0 inet <a href="http://169.254.92.184/16">169.254.92.184/16</a> brd 169.254.255.255 scope link ve-poppy valid_lft forever preferred_lft forever inet <a href="http://10.0.0.1/28">10.0.0.1/28</a> brd 10.0.0.15 scope global ve-poppy valid_lft forever preferred_lft forever inet <a href="http://10.0.0.17/28">10.0.0.17/28</a> brd 10.0.0.31 scope global ve-poppy valid_lft forever preferred_lft forever inet6 fe80::c9a:d7ff:fe18:a359/64 scope link valid_lft forever preferred_lft forever % networkctl status ● State: routable Address: 192.168.1.87 on br0 172.17.0.1 on docker0 10.0.0.1 on ve-poppy 10.0.0.17 on ve-poppy 169.254.92.184 on ve-poppy fe80::b40c:ff:fe22:f14a on br0 fe80::c9a:d7ff:fe18:a359 on ve-poppy Gateway: 192.168.1.254 (Technicolor) on br0 DNS: 192.168.1.254 ------------------------------------------------------------------------------ </div>Container: Fedora 24 - % systemctl --version systemd 229 +PAM +AUDIT +SELINUX +IMA -APPARMOR +SMACK +SYSVINIT +UTMP +LIBCRYPTSETUP +GCRYPT +GNUTLS +ACL +XZ +LZ4 +SECCOMP +BLKID +ELFUTILS +KMOD +IDN </div> % ip a 1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1 link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00 inet <a href="http://127.0.0.1/8">127.0.0.1/8</a> scope host lo valid_lft forever preferred_lft forever inet6 ::1/128 scope host valid_lft forever preferred_lft forever 2: host0@if6: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue state UP group default qlen 1000 link/ether 0e:7f:c3:fb:25:b1 brd ff:ff:ff:ff:ff:ff link-netnsid 0 inet <a href="http://192.168.1.94/24">192.168.1.94/24</a> brd 192.168.1.255 scope global host0 valid_lft forever preferred_lft forever inet6 fe80::c7f:c3ff:fefb:25b1/64 scope link valid_lft forever preferred_lft forever % networkctl status ● State: routable Address: 192.168.1.94 on host0 fe80::c7f:c3ff:fefb:25b1 on host0 Gateway: 192.168.1.254 on host0 DNS: 192.168.1.254 # ping 8.8.8.8 PING 8.8.8.8 (8.8.8.8) 56(84) bytes of data. From 192.168.1.94 icmp_seq=1 Destination Host Unreachable From 192.168.1.94 icmp_seq=2 Destination Host Unreachable From 192.168.1.94 icmp_seq=3 Destination Host Unreachable --- 8.8.8.8 ping statistics --- 5 packets transmitted, 0 received, +3 errors, 100% packet loss, time 4008ms pipe 4 ------------------------------------------------------------- </div>Container is started at boot this way: systemd-nspawn@poppy </div>Network is managed on both OS only by systemd-networkd </div><div>/etc/systemd/network/bridge.netdev ------------------------------------------------------ </div><div>[NetDev] Name=br0 Kind=bridge /etc/systemd/network/bridge.network ---------------------------------------------------------- [Match] Name=br0 [Network] Address=<a href="http://192.168.1.87/24">192.168.1.87/24</a> Description="Dole - Poppy bridge network" Gateway=192.168.1.254 DNS=192.168.1.254 /etc/systemd/network/eth.network -------------------------------------------------- [Match] Name=enp7s0 [Network] Description="Dole - Static network with bridge" Bridge=br0 </div>May some one help me in debugging my issue as I can't see any reason for this suden issue. <div> </div></div>