[ 4405.910469][T21605] gre: GRE over IPv4 demultiplexer driver
[ 4407.560458][T21628] ip_gre: GRE over IPv4 tunneling driver
[ 4459.654356][T22201] ip6_gre: GRE over IPv6 tunneling driver
[ 4495.313096][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4500.305035][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4504.465044][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4509.522043][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!