[ 3198.734548][T28923] gre: GRE over IPv4 demultiplexor driver
[ 3199.949270][T28946] ip_gre: GRE over IPv4 tunneling driver
[ 3235.809869][T29520] ip6_gre: GRE over IPv6 tunneling driver
[ 3253.196443][T26186] ip6_tunnel: tep1 xmit: Local address not yet configured!
[ 3259.852308][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3263.756317][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3267.085295][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3270.733302][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!