Hrmmm....

Feb  2 12:01:33 somehost sshd[379]: error: Bind to port 22 on 1.2.3.4 failed: Cannot assign requested address.
Feb  2 12:01:33 somehost sshd[379]: error: Bind to port 22 on 5555:666:77:8888::1 failed: Cannot assign requested address.
Feb  2 12:01:33 somehost sshd[379]: fatal: Cannot bind any address.
Feb  2 12:01:33 somehost sshd[389]: error: Bind to port 22 on 1.2.3.4 failed: Cannot assign requested address.
Feb  2 12:01:33 somehost sshd[389]: error: Bind to port 22 on 5555:666:77:8888::1 failed: Cannot assign requested address.
Feb  2 12:01:33 somehost sshd[389]: fatal: Cannot bind any address.
Feb  2 12:01:33 somehost sshd[393]: error: Bind to port 22 on 1.2.3.4 failed: Cannot assign requested address.
Feb  2 12:01:33 somehost sshd[393]: error: Bind to port 22 on 5555:666:77:8888::1 failed: Cannot assign requested address.
Feb  2 12:01:33 somehost sshd[393]: fatal: Cannot bind any address.
Feb  2 12:01:33 somehost sshd[406]: error: Bind to port 22 on 1.2.3.4 failed: Cannot assign requested address.
Feb  2 12:01:33 somehost sshd[406]: error: Bind to port 22 on 5555:666:77:8888::1 failed: Cannot assign requested address.
Feb  2 12:01:33 somehost sshd[406]: fatal: Cannot bind any address.
Feb  2 12:01:33 somehost sshd[417]: error: Bind to port 22 on 1.2.3.4 failed: Cannot assign requested address.
Feb  2 12:01:33 somehost sshd[417]: error: Bind to port 22 on 5555:666:77:8888::1 failed: Cannot assign requested address.
Feb  2 12:01:33 somehost sshd[417]: fatal: Cannot bind any address.
Feb  2 12:01:33 somehost sshd[421]: error: Bind to port 22 on 1.2.3.4 failed: Cannot assign requested address.
Feb  2 12:01:33 somehost sshd[421]: error: Bind to port 22 on 5555:666:77:8888::1 failed: Cannot assign requested address.
Feb  2 12:01:33 somehost sshd[421]: fatal: Cannot bind any address.
Feb  2 12:01:33 somehost sshd[424]: error: Bind to port 22 on 1.2.3.4 failed: Cannot assign requested address.
Feb  2 12:01:33 somehost sshd[424]: error: Bind to port 22 on 5555:666:77:8888::1 failed: Cannot assign requested address.
Feb  2 12:01:33 somehost sshd[424]: fatal: Cannot bind any address.
Feb  2 12:01:33 somehost sshd[427]: error: Bind to port 22 on 1.2.3.4 failed: Cannot assign requested address.
Feb  2 12:01:33 somehost sshd[427]: error: Bind to port 22 on 5555:666:77:8888::1 failed: Cannot assign requested address.
Feb  2 12:01:33 somehost sshd[427]: fatal: Cannot bind any address.
Feb  2 12:01:33 somehost sshd[430]: error: Bind to port 22 on 1.2.3.4 failed: Cannot assign requested address.
Feb  2 12:01:33 somehost sshd[430]: error: Bind to port 22 on 5555:666:77:8888::1 failed: Cannot assign requested address.
Feb  2 12:01:33 somehost sshd[430]: fatal: Cannot bind any address.
Feb  2 12:01:33 somehost sshd[433]: error: Bind to port 22 on 1.2.3.4 failed: Cannot assign requested address.
Feb  2 12:01:33 somehost sshd[433]: error: Bind to port 22 on 5555:666:77:8888::1 failed: Cannot assign requested address.
Feb  2 12:01:33 somehost sshd[433]: fatal: Cannot bind any address.
Feb  2 12:01:33 somehost sshd[436]: error: Bind to port 22 on 1.2.3.4 failed: Cannot assign requested address.
Feb  2 12:01:33 somehost sshd[436]: error: Bind to port 22 on 5555:666:77:8888::1 failed: Cannot assign requested address.
Feb  2 12:01:33 somehost sshd[436]: fatal: Cannot bind any address.