[ 3537.025618][T20518] gre: GRE over IPv4 demultiplexor driver
[ 3539.100649][T20541] ip_gre: GRE over IPv4 tunneling driver
[ 3600.922174][T21112] ip6_gre: GRE over IPv6 tunneling driver
[ 3643.699542][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3649.651467][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3654.834505][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3660.914473][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!