[ 4313.901619][T20181] gre: GRE over IPv4 demultiplexor driver
[ 4316.038787][T20205] ip_gre: GRE over IPv4 tunneling driver
[ 4379.432185][T20778] ip6_gre: GRE over IPv6 tunneling driver
[ 4423.986520][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4430.003456][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4435.378438][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4441.459406][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!