[PULL 5/7] linux-user: add netlink RTM_SETLINK command

[Laurent Vivier]

This command is needed to be able to boot systemd in a container.

  $ sudo systemd-nspawn -D /chroot/armhf/sid/ -b
  Spawning container sid on /chroot/armhf/sid.
  Press ^] three times within 1s to kill container.
  systemd 245.6-2 running in system mode.
  Detected virtualization systemd-nspawn.
  Detected architecture arm.

  Welcome to Debian GNU/Linux bullseye/sid!

  Set hostname to <virt-arm>.
  Failed to enqueue loopback interface start request: Operation not supported
  Caught <SEGV>, dumped core as pid 3.
  Exiting PID 1...
  Container sid failed with error code 255.

Signed-off-by: Laurent Vivier <laurent@vivier.eu>
Message-Id: <20200709072332.890440-2-laurent@vivier.eu>
---
 linux-user/fd-trans.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/linux-user/fd-trans.c b/linux-user/fd-trans.c
index 5d49a53552b2..1486c81aaa27 100644
--- a/linux-user/fd-trans.c
+++ b/linux-user/fd-trans.c
@@ -1204,6 +1204,7 @@ static abi_long target_to_host_data_route(struct nlmsghdr 
*nlh)
         break;
     case RTM_NEWLINK:
     case RTM_DELLINK:
+    case RTM_SETLINK:
         if (nlh->nlmsg_len >= NLMSG_LENGTH(sizeof(*ifi))) {
             ifi = NLMSG_DATA(nlh);
             ifi->ifi_type = tswap16(ifi->ifi_type);
-- 
2.26.2