[ 3365.880408][T25131] gre: GRE over IPv4 demultiplexer driver
[ 3367.512760][T25154] ip_gre: GRE over IPv4 tunneling driver
[ 3416.500773][T25727] ip6_gre: GRE over IPv6 tunneling driver
[ 3433.962375][T25333] ip6_tunnel: tep1 xmit: Local address not yet configured!
[ 3450.538210][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3455.530197][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3459.690214][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3464.555206][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!